1213113341 has 4 divisors (see below), whose sum is σ = 1323396384. Its totient is φ = 1102830300.

The previous prime is 1213113329. The next prime is 1213113361. The reversal of 1213113341 is 1433113121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1213113341 - 2¹⁰ = 1213112317 is a prime.

It is a super-2 number, since 2×1213113341² = 2943287956224364562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213113361) 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, 55141505 + ... + 55141526.

It is an arithmetic number, because the mean of its divisors is an integer number (330849096).

Almost surely, 2^1213113341 is an apocalyptic number.

1213113341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1213113341 is a deficient number, since it is larger than the sum of its proper divisors (110283043).

1213113341 is a wasteful number, since it uses less digits than its factorization.

1213113341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110283042.

The product of its digits is 216, while the sum is 20.

The square root of 1213113341 is about 34829.7766429818. The cubic root of 1213113341 is about 1066.5153887785.

Adding to 1213113341 its reverse (1433113121), we get a palindrome (2646226462).

The spelling of 1213113341 in words is "one billion, two hundred thirteen million, one hundred thirteen thousand, three hundred forty-one".