31060890752 has 64 divisors (see below), whose sum is σ = 63469785600. Its totient is φ = 15134091264.

The previous prime is 31060890709. The next prime is 31060890767. The reversal of 31060890752 is 25709806013.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390649 + ... + 1412807.

It is an arithmetic number, because the mean of its divisors is an integer number (991715400).

Almost surely, 2^31060890752 is an apocalyptic number.

31060890752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31060890752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31734892800).

31060890752 is an abundant number, since it is smaller than the sum of its proper divisors (32408894848).

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

31060890752 is a wasteful number, since it uses less digits than its factorization.

31060890752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22453 (or 22441 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 31060890752 in words is "thirty-one billion, sixty million, eight hundred ninety thousand, seven hundred fifty-two".