102531900 has 36 divisors (see below), whose sum is σ = 296659832. Its totient is φ = 27341760.

The previous prime is 102531893. The next prime is 102531917. The reversal of 102531900 is 9135201.

It is a super-2 number, since 2×102531900² = 21025581035220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170587 + ... + 171186.

Almost surely, 2^102531900 is an apocalyptic number.

102531900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102531900 is an abundant number, since it is smaller than the sum of its proper divisors (194127932).

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

102531900 is a wasteful number, since it uses less digits than its factorization.

102531900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341790 (or 341783 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 102531900 is about 10125.8036718080. The cubic root of 102531900 is about 468.0436258550.

The spelling of 102531900 in words is "one hundred two million, five hundred thirty-one thousand, nine hundred".