102931392 has 28 divisors (see below), whose sum is σ = 272339816. Its totient is φ = 34310400.

The previous prime is 102931369. The next prime is 102931397. The reversal of 102931392 is 293139201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102931397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267859 + ... + 268242.

It is an arithmetic number, because the mean of its divisors is an integer number (9726422).

Almost surely, 2^102931392 is an apocalyptic number.

102931392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102931392 is an abundant number, since it is smaller than the sum of its proper divisors (169408424).

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

102931392 is an equidigital number, since it uses as much as digits as its factorization.

102931392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536116 (or 536106 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 102931392 is about 10145.5109284846. The cubic root of 102931392 is about 468.6507129090.

The spelling of 102931392 in words is "one hundred two million, nine hundred thirty-one thousand, three hundred ninety-two".