31365080940 has 96 divisors (see below), whose sum is σ = 89975261376. Its totient is φ = 8160721920.

The previous prime is 31365080917. The next prime is 31365080963. The reversal of 31365080940 is 4908056313.

It is an interprime number because it is at equal distance from previous prime (31365080917) and next prime (31365080963).

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 31 ways as a sum of consecutive naturals, for example, 548334 + ... + 602826.

It is an arithmetic number, because the mean of its divisors is an integer number (937242306).

Almost surely, 2^31365080940 is an apocalyptic number.

31365080940 is a gapful number since it is divisible by the number (30) 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 31365080940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44987630688).

31365080940 is an abundant number, since it is smaller than the sum of its proper divisors (58610180436).

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

31365080940 is a wasteful number, since it uses less digits than its factorization.

31365080940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54739 (or 54737 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 31365080940 in words is "thirty-one billion, three hundred sixty-five million, eighty thousand, nine hundred forty".