30631602896 has 20 divisors (see below), whose sum is σ = 59352042372. Its totient is φ = 15314946816.

The previous prime is 30631602893. The next prime is 30631602923. The reversal of 30631602896 is 69820613603.

It can be written as a sum of positive squares in 2 ways, for example, as 21035441296 + 9596161600 = 145036^2 + 97960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30631602893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322406 + ... + 406458.

Almost surely, 2^30631602896 is an apocalyptic number.

It is an amenable number.

30631602896 is a deficient number, since it is larger than the sum of its proper divisors (28720439476).

30631602896 is a wasteful number, since it uses less digits than its factorization.

30631602896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106838 (or 106832 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 30631602896 in words is "thirty billion, six hundred thirty-one million, six hundred two thousand, eight hundred ninety-six".