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1214011131 = 3439410939
BaseRepresentation
bin100100001011100…
…0101011011111011
310010121101011012020
41020113011123323
54441241324011
6320244245523
742040632024
oct11027053373
93117334166
101214011131
11573306593
1229a6a08a3
1316468b9a8
14b7339c4b
15718a7006
hex485c56fb

1214011131 has 8 divisors (see below), whose sum is σ = 1656325440. Its totient is φ = 790518792.

The previous prime is 1214011129. The next prime is 1214011133. The reversal of 1214011131 is 1311104121.

It is an interprime number because it is at equal distance from previous prime (1214011129) and next prime (1214011133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1214011131 - 21 = 1214011129 is a prime.

It is a super-2 number, since 2×12140111312 = 2947646052383798322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1214011131.

It is not an unprimeable number, because it can be changed into a prime (1214011133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4705341 + ... + 4705598.

It is an arithmetic number, because the mean of its divisors is an integer number (207040680).

Almost surely, 21214011131 is an apocalyptic number.

1214011131 is a deficient number, since it is larger than the sum of its proper divisors (442314309).

1214011131 is an equidigital number, since it uses as much as digits as its factorization.

1214011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410985.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1214011131 is about 34842.6625130744. The cubic root of 1214011131 is about 1066.7784229370.

Adding to 1214011131 its reverse (1311104121), we get a palindrome (2525115252).

The spelling of 1214011131 in words is "one billion, two hundred fourteen million, eleven thousand, one hundred thirty-one".

Divisors: 1 3 43 129 9410939 28232817 404670377 1214011131