31350561232 has 10 divisors (see below), whose sum is σ = 60741712418. Its totient is φ = 15675280608.

The previous prime is 31350561227. The next prime is 31350561259. The reversal of 31350561232 is 23216505313.

It can be written as a sum of positive squares in only one way, i.e., 27292361616 + 4058199616 = 165204^2 + 63704^2 .

It is a super-2 number, since 2×31350561232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31350561194 and 31350561203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 979705023 + ... + 979705054.

Almost surely, 2^31350561232 is an apocalyptic number.

It is an amenable number.

31350561232 is a deficient number, since it is larger than the sum of its proper divisors (29391151186).

31350561232 is a wasteful number, since it uses less digits than its factorization.

31350561232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959410085 (or 1959410079 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 31350561232 in words is "thirty-one billion, three hundred fifty million, five hundred sixty-one thousand, two hundred thirty-two".