31368415506 has 32 divisors (see below), whose sum is σ = 64053890880. Its totient is φ = 10238690304.

The previous prime is 31368415489. The next prime is 31368415531. The reversal of 31368415506 is 60551486313.

It is a super-2 number, since 2×31368415506² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196735 + ... + 318498.

It is an arithmetic number, because the mean of its divisors is an integer number (2001684090).

Almost surely, 2^31368415506 is an apocalyptic number.

31368415506 is an abundant number, since it is smaller than the sum of its proper divisors (32685475374).

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

31368415506 is a wasteful number, since it uses less digits than its factorization.

31368415506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515450.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 31368415506 in words is "thirty-one billion, three hundred sixty-eight million, four hundred fifteen thousand, five hundred six".