102331312 has 10 divisors (see below), whose sum is σ = 198266948. Its totient is φ = 51165648.

The previous prime is 102331309. The next prime is 102331319. The reversal of 102331312 is 213133201.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 6395707 = 102331312 / (1 + 0 + 2 + 3 + 3 + 1 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (102331319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197838 + ... + 3197869.

Almost surely, 2^102331312 is an apocalyptic number.

It is an amenable number.

102331312 is a deficient number, since it is larger than the sum of its proper divisors (95935636).

102331312 is an equidigital number, since it uses as much as digits as its factorization.

102331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395715 (or 6395709 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 102331312 is about 10115.8940287055. The cubic root of 102331312 is about 467.7382079813.

Adding to 102331312 its reverse (213133201), we get a palindrome (315464513).

The spelling of 102331312 in words is "one hundred two million, three hundred thirty-one thousand, three hundred twelve".