102131330 has 32 divisors (see below), whose sum is σ = 217347840. Its totient is φ = 33808320.

The previous prime is 102131269. The next prime is 102131347. The reversal of 102131330 is 33131201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23126 + ... + 27185.

It is an arithmetic number, because the mean of its divisors is an integer number (6792120).

Almost surely, 2^102131330 is an apocalyptic number.

102131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102131330 is an abundant number, since it is smaller than the sum of its proper divisors (115216510).

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

102131330 is a wasteful number, since it uses less digits than its factorization.

102131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50354.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 102131330 is about 10106.0046507015. The cubic root of 102131330 is about 467.4333152428.

Adding to 102131330 its reverse (33131201), we get a palindrome (135262531).

The spelling of 102131330 in words is "one hundred two million, one hundred thirty-one thousand, three hundred thirty".