31504272470 has 16 divisors (see below), whose sum is σ = 61862935248. Its totient is φ = 11456099040.

The previous prime is 31504272439. The next prime is 31504272479. The reversal of 31504272470 is 7427240513.

It is a self number, because there is not a number n which added to its sum of digits gives 31504272470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31504272479) 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, 143201129 + ... + 143201348.

It is an arithmetic number, because the mean of its divisors is an integer number (3866433453).

Almost surely, 2^31504272470 is an apocalyptic number.

31504272470 is a deficient number, since it is larger than the sum of its proper divisors (30358662778).

31504272470 is a wasteful number, since it uses less digits than its factorization.

31504272470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286402495.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 31504272470 in words is "thirty-one billion, five hundred four million, two hundred seventy-two thousand, four hundred seventy".