31152445013 has 32 divisors (see below), whose sum is σ = 33763737600. Its totient is φ = 28670818176.

The previous prime is 31152445007. The next prime is 31152445031. The reversal of 31152445013 is 31054425113.

It is not a de Polignac number, because 31152445013 - 2¹⁰ = 31152443989 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 (31152445043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24167273 + ... + 24168561.

It is an arithmetic number, because the mean of its divisors is an integer number (1055116800).

Almost surely, 2^31152445013 is an apocalyptic number.

It is an amenable number.

31152445013 is a deficient number, since it is larger than the sum of its proper divisors (2611292587).

31152445013 is a wasteful number, since it uses less digits than its factorization.

31152445013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 31152445013 in words is "thirty-one billion, one hundred fifty-two million, four hundred forty-five thousand, thirteen".