31950102672 has 120 divisors (see below), whose sum is σ = 93579566080. Its totient is φ = 10552187520.

The previous prime is 31950102661. The next prime is 31950102713. The reversal of 31950102672 is 27620105913.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 23 ways as a sum of consecutive naturals, for example, 386097 + ... + 461487.

Almost surely, 2^31950102672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31950102672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46789783040).

31950102672 is an abundant number, since it is smaller than the sum of its proper divisors (61629463408).

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

31950102672 is a wasteful number, since it uses less digits than its factorization.

31950102672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75523 (or 75505 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 31950102672 in words is "thirty-one billion, nine hundred fifty million, one hundred two thousand, six hundred seventy-two".