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1231002214 = 21347346239
BaseRepresentation
bin100100101011111…
…1001101001100110
310011210100101120121
41021113321221212
510010114032324
6322052352154
742335226511
oct11127715146
93153311517
101231002214
11581961202
122a431565a
1316805a6a0
14b96bdd78
15731115e4
hex495f9a66

1231002214 has 8 divisors (see below), whose sum is σ = 1988542080. Its totient is φ = 568154856.

The previous prime is 1231002211. The next prime is 1231002263. The reversal of 1231002214 is 4122001321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231002211) 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 3 ways as a sum of consecutive naturals, for example, 23673094 + ... + 23673145.

It is an arithmetic number, because the mean of its divisors is an integer number (248567760).

Almost surely, 21231002214 is an apocalyptic number.

1231002214 is a deficient number, since it is larger than the sum of its proper divisors (757539866).

1231002214 is a wasteful number, since it uses less digits than its factorization.

1231002214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47346254.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1231002214 is about 35085.6411370806. The cubic root of 1231002214 is about 1071.7321970409.

Adding to 1231002214 its reverse (4122001321), we get a palindrome (5353003535).

The spelling of 1231002214 in words is "one billion, two hundred thirty-one million, two thousand, two hundred fourteen".

Divisors: 1 2 13 26 47346239 94692478 615501107 1231002214