30881373852 has 48 divisors (see below), whose sum is σ = 82430281472. Its totient is φ = 8814683520.

The previous prime is 30881373841. The next prime is 30881373857. The reversal of 30881373852 is 25837318803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30881373857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91174 + ... + 264717.

Almost surely, 2^30881373852 is an apocalyptic number.

It is an amenable number.

30881373852 is an abundant number, since it is smaller than the sum of its proper divisors (51548907620).

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

30881373852 is a wasteful number, since it uses less digits than its factorization.

30881373852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356938 (or 356936 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 30881373852 in words is "thirty billion, eight hundred eighty-one million, three hundred seventy-three thousand, eight hundred fifty-two".