31326262313 has 16 divisors (see below), whose sum is σ = 32304926736. Its totient is φ = 30366950400.

The previous prime is 31326262283. The next prime is 31326262337.

31326262313 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 94249 + 31326168064 = 307^2 + 176992^2 .

It is a cyclic number.

It is not a de Polignac number, because 31326262313 - 2⁶ = 31326262249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31326262313.

It is not an unprimeable number, because it can be changed into a prime (31326262613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994595 + ... + 1025607.

It is an arithmetic number, because the mean of its divisors is an integer number (2019057921).

Almost surely, 2^31326262313 is an apocalyptic number.

It is an amenable number.

31326262313 is a deficient number, since it is larger than the sum of its proper divisors (978664423).

31326262313 is a wasteful number, since it uses less digits than its factorization.

31326262313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324.

The product of its digits is 23328, while the sum is 32.

The spelling of 31326262313 in words is "thirty-one billion, three hundred twenty-six million, two hundred sixty-two thousand, three hundred thirteen".