13031707645 has 16 divisors (see below), whose sum is σ = 17073659520. Its totient is φ = 9469844800.

The previous prime is 13031707627. The next prime is 13031707651. The reversal of 13031707645 is 54670713031.

It is not a de Polignac number, because 13031707645 - 2¹³ = 13031699453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28801 + ... + 163990.

It is an arithmetic number, because the mean of its divisors is an integer number (1067103720).

Almost surely, 2^13031707645 is an apocalyptic number.

It is an amenable number.

13031707645 is a deficient number, since it is larger than the sum of its proper divisors (4041951875).

13031707645 is a wasteful number, since it uses less digits than its factorization.

13031707645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194036.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 13031707645 in words is "thirteen billion, thirty-one million, seven hundred seven thousand, six hundred forty-five".