631032172894 has 32 divisors (see below), whose sum is σ = 1055228580000. Its totient is φ = 281259786240.

The previous prime is 631032172891. The next prime is 631032172937. The reversal of 631032172894 is 498271230136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631032172891) 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, 2637982 + ... + 2867230.

It is an arithmetic number, because the mean of its divisors is an integer number (32975893125).

Almost surely, 2^631032172894 is an apocalyptic number.

631032172894 is a deficient number, since it is larger than the sum of its proper divisors (424196407106).

631032172894 is a wasteful number, since it uses less digits than its factorization.

631032172894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233548.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 631032172894 in words is "six hundred thirty-one billion, thirty-two million, one hundred seventy-two thousand, eight hundred ninety-four".