31632657352 has 16 divisors (see below), whose sum is σ = 61356447900. Its totient is φ = 15270937920.

The previous prime is 31632657289. The next prime is 31632657379. The reversal of 31632657352 is 25375623613.

It can be written as a sum of positive squares in 2 ways, for example, as 28387532196 + 3245125156 = 168486^2 + 56966^2 .

It is a super-3 number, since 3×31632657352³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 31632657299 and 31632657308.

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, 68173599 + ... + 68174062.

Almost surely, 2^31632657352 is an apocalyptic number.

It is an amenable number.

31632657352 is a deficient number, since it is larger than the sum of its proper divisors (29723790548).

31632657352 is a wasteful number, since it uses less digits than its factorization.

31632657352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136347696 (or 136347692 counting only the distinct ones).

The product of its digits is 680400, while the sum is 43.

The spelling of 31632657352 in words is "thirty-one billion, six hundred thirty-two million, six hundred fifty-seven thousand, three hundred fifty-two".