512311332113 has 4 divisors (see below), whose sum is σ = 585498665280. Its totient is φ = 439123998948.

The previous prime is 512311332083. The next prime is 512311332151. The reversal of 512311332113 is 311233113215.

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 a cyclic number.

It is not a de Polignac number, because 512311332113 - 2¹⁴ = 512311315729 is a prime.

It is a super-2 number, since 2×512311332113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512311332163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36593666573 + ... + 36593666586.

It is an arithmetic number, because the mean of its divisors is an integer number (146374666320).

Almost surely, 2^512311332113 is an apocalyptic number.

It is an amenable number.

512311332113 is a deficient number, since it is larger than the sum of its proper divisors (73187333167).

512311332113 is an equidigital number, since it uses as much as digits as its factorization.

512311332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73187333166.

The product of its digits is 1620, while the sum is 26.

Adding to 512311332113 its reverse (311233113215), we get a palindrome (823544445328).

The spelling of 512311332113 in words is "five hundred twelve billion, three hundred eleven million, three hundred thirty-two thousand, one hundred thirteen".