32311020013 has 4 divisors (see below), whose sum is σ = 32858664480. Its totient is φ = 31763375548.

The previous prime is 32311019999. The next prime is 32311020023. The reversal of 32311020013 is 31002011323.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31002011323 = 132817 ⋅233419.

It is a cyclic number.

It is not a de Polignac number, because 32311020013 - 2⁹ = 32311019501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32311020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273822145 + ... + 273822262.

It is an arithmetic number, because the mean of its divisors is an integer number (8214666120).

Almost surely, 2^32311020013 is an apocalyptic number.

It is an amenable number.

32311020013 is a deficient number, since it is larger than the sum of its proper divisors (547644467).

32311020013 is an equidigital number, since it uses as much as digits as its factorization.

32311020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547644466.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 32311020013 its reverse (31002011323), we get a palindrome (63313031336).

The spelling of 32311020013 in words is "thirty-two billion, three hundred eleven million, twenty thousand, thirteen".