31630646132 has 48 divisors (see below), whose sum is σ = 59729104512. Its totient is φ = 14620594560.

The previous prime is 31630646129. The next prime is 31630646153. The reversal of 31630646132 is 23164603613.

It is a super-2 number, since 2×31630646132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31630646092 and 31630646101.

It is a congruent number.

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, 278282 + ... + 375102.

It is an arithmetic number, because the mean of its divisors is an integer number (1244356344).

Almost surely, 2^31630646132 is an apocalyptic number.

It is an amenable number.

31630646132 is a deficient number, since it is larger than the sum of its proper divisors (28098458380).

31630646132 is a wasteful number, since it uses less digits than its factorization.

31630646132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96968 (or 96966 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 31630646132 in words is "thirty-one billion, six hundred thirty million, six hundred forty-six thousand, one hundred thirty-two".