31355455313 has 16 divisors (see below), whose sum is σ = 39922068480. Its totient is φ = 23953237056.

The previous prime is 31355455283. The next prime is 31355455363.

31355455313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31355455313 - 2⁸ = 31355455057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31355455363) 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 15 ways as a sum of consecutive naturals, for example, 5938145 + ... + 5943422.

It is an arithmetic number, because the mean of its divisors is an integer number (2495129280).

Almost surely, 2^31355455313 is an apocalyptic number.

It is an amenable number.

31355455313 is a deficient number, since it is larger than the sum of its proper divisors (8566613167).

31355455313 is a wasteful number, since it uses less digits than its factorization.

31355455313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11881616.

The product of its digits is 202500, while the sum is 38.

The spelling of 31355455313 in words is "thirty-one billion, three hundred fifty-five million, four hundred fifty-five thousand, three hundred thirteen".