31227845004 has 24 divisors (see below), whose sum is σ = 80961079920. Its totient is φ = 10409281632.

The previous prime is 31227844957. The next prime is 31227845017. The reversal of 31227845004 is 40054872213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 31227845004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144573249 + ... + 144573464.

It is an arithmetic number, because the mean of its divisors is an integer number (3373378330).

Almost surely, 2^31227845004 is an apocalyptic number.

It is an amenable number.

31227845004 is an abundant number, since it is smaller than the sum of its proper divisors (49733234916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31227845004 is a wasteful number, since it uses less digits than its factorization.

31227845004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289146726 (or 289146718 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 31227845004 in words is "thirty-one billion, two hundred twenty-seven million, eight hundred forty-five thousand, four".