31698494044 has 12 divisors (see below), whose sum is σ = 63396988144. Its totient is φ = 13585068864.

The previous prime is 31698494027. The next prime is 31698494057. The reversal of 31698494044 is 44049489613.

31698494044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31698493982 and 31698494000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566044509 + ... + 566044564.

Almost surely, 2^31698494044 is an apocalyptic number.

It is an amenable number.

31698494044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31698494044 is a wasteful number, since it uses less digits than its factorization.

31698494044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132089084 (or 1132089082 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 31698494044 in words is "thirty-one billion, six hundred ninety-eight million, four hundred ninety-four thousand, forty-four".