31504390134974 has 16 divisors (see below), whose sum is σ = 47313521418240. Its totient is φ = 15733224841080.

The previous prime is 31504390134947. The next prime is 31504390134977. The reversal of 31504390134974 is 47943109340513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31504390134977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5284139 + ... + 9535769.

It is an arithmetic number, because the mean of its divisors is an integer number (2957095088640).

Almost surely, 2^{31504390134974} is an apocalyptic number.

31504390134974 is a deficient number, since it is larger than the sum of its proper divisors (15809131283266).

31504390134974 is a wasteful number, since it uses less digits than its factorization.

31504390134974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256095.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 31504390134974 in words is "thirty-one trillion, five hundred four billion, three hundred ninety million, one hundred thirty-four thousand, nine hundred seventy-four".