1313113023 has 12 divisors (see below), whose sum is σ = 1927813368. Its totient is φ = 861057360.

The previous prime is 1313112991. The next prime is 1313113073. The reversal of 1313113023 is 3203113131.

It is a happy number.

It is not a de Polignac number, because 1313113023 - 2⁵ = 1313112991 is a prime.

It is a super-2 number, since 2×1313113023² = 3448531622344397058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313112987 and 1313113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313113073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1195365 + ... + 1196462.

It is an arithmetic number, because the mean of its divisors is an integer number (160651114).

Almost surely, 2^1313113023 is an apocalyptic number.

1313113023 is a deficient number, since it is larger than the sum of its proper divisors (614700345).

1313113023 is a wasteful number, since it uses less digits than its factorization.

1313113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391894 (or 2391891 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1313113023 is about 36236.9013989883. The cubic root of 1313113023 is about 1095.0502185013.

Adding to 1313113023 its reverse (3203113131), we get a palindrome (4516226154).

The spelling of 1313113023 in words is "one billion, three hundred thirteen million, one hundred thirteen thousand, twenty-three".