102931880 has 32 divisors (see below), whose sum is σ = 236528640. Its totient is φ = 40296000.

The previous prime is 102931867. The next prime is 102931897. The reversal of 102931880 is 88139201.

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, 25496 + ... + 29255.

It is an arithmetic number, because the mean of its divisors is an integer number (7391520).

Almost surely, 2^102931880 is an apocalyptic number.

102931880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102931880 is an abundant number, since it is smaller than the sum of its proper divisors (133596760).

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

102931880 is a wasteful number, since it uses less digits than its factorization.

102931880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54809 (or 54805 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 102931880 is about 10145.5349785016. The cubic root of 102931880 is about 468.6514535356.

The spelling of 102931880 in words is "one hundred two million, nine hundred thirty-one thousand, eight hundred eighty".