31693310104 has 16 divisors (see below), whose sum is σ = 59463097200. Its totient is φ = 15836484192.

The previous prime is 31693310081. The next prime is 31693310119. The reversal of 31693310104 is 40101339613.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258107 + ... + 1283050.

It is an arithmetic number, because the mean of its divisors is an integer number (3716443575).

Almost surely, 2^31693310104 is an apocalyptic number.

It is an amenable number.

31693310104 is a deficient number, since it is larger than the sum of its proper divisors (27769787096).

31693310104 is a wasteful number, since it uses less digits than its factorization.

31693310104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542722 (or 2542718 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

Adding to 31693310104 its reverse (40101339613), we get a palindrome (71794649717).

The spelling of 31693310104 in words is "thirty-one billion, six hundred ninety-three million, three hundred ten thousand, one hundred four".