31894673199 has 12 divisors (see below), whose sum is σ = 45174924744. Its totient is φ = 20012343424.

The previous prime is 31894673177. The next prime is 31894673201. The reversal of 31894673199 is 99137649813.

It is not a de Polignac number, because 31894673199 - 2⁹ = 31894672687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31894673159) 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 11 ways as a sum of consecutive naturals, for example, 18392832 + ... + 18394565.

It is an arithmetic number, because the mean of its divisors is an integer number (3764577062).

Almost surely, 2^31894673199 is an apocalyptic number.

31894673199 is a deficient number, since it is larger than the sum of its proper divisors (13280251545).

31894673199 is a wasteful number, since it uses less digits than its factorization.

31894673199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36787434 (or 36787417 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 60.

The spelling of 31894673199 in words is "thirty-one billion, eight hundred ninety-four million, six hundred seventy-three thousand, one hundred ninety-nine".