31047065007 has 16 divisors (see below), whose sum is σ = 49799804160. Its totient is φ = 16807433472.

The previous prime is 31047064991. The next prime is 31047065029. The reversal of 31047065007 is 70056074013.

It is not a de Polignac number, because 31047065007 - 2⁴ = 31047064991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31047065047) 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, 38905698 + ... + 38906495.

It is an arithmetic number, because the mean of its divisors is an integer number (3112487760).

Almost surely, 2^31047065007 is an apocalyptic number.

31047065007 is a deficient number, since it is larger than the sum of its proper divisors (18752739153).

31047065007 is a wasteful number, since it uses less digits than its factorization.

31047065007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77812222.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 31047065007 in words is "thirty-one billion, forty-seven million, sixty-five thousand, seven".