31464446413 has 12 divisors (see below), whose sum is σ = 33439992192. Its totient is φ = 29599578560.

The previous prime is 31464446411. The next prime is 31464446437.

31464446413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31464446413 - 2¹ = 31464446411 is a prime.

It is a super-2 number, since 2×31464446413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464446411) 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, 613158 + ... + 662488.

It is an arithmetic number, because the mean of its divisors is an integer number (2786666016).

Almost surely, 2^31464446413 is an apocalyptic number.

It is an amenable number.

31464446413 is a deficient number, since it is larger than the sum of its proper divisors (1975545779).

31464446413 is a wasteful number, since it uses less digits than its factorization.

31464446413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51572 (or 51555 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

The spelling of 31464446413 in words is "thirty-one billion, four hundred sixty-four million, four hundred forty-six thousand, four hundred thirteen".