31021472607 has 16 divisors (see below), whose sum is σ = 41658769152. Its totient is φ = 20532872000.

The previous prime is 31021472597. The next prime is 31021472639. The reversal of 31021472607 is 70627412013.

It is a cyclic number.

It is not a de Polignac number, because 31021472607 - 2⁸ = 31021472351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021472107) 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, 393232 + ... + 465482.

It is an arithmetic number, because the mean of its divisors is an integer number (2603673072).

Almost surely, 2^31021472607 is an apocalyptic number.

31021472607 is a deficient number, since it is larger than the sum of its proper divisors (10637296545).

31021472607 is a wasteful number, since it uses less digits than its factorization.

31021472607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73278.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 31021472607 in words is "thirty-one billion, twenty-one million, four hundred seventy-two thousand, six hundred seven".