102431308 has 24 divisors (see below), whose sum is σ = 205132032. Its totient is φ = 43841424.

The previous prime is 102431297. The next prime is 102431311. The reversal of 102431308 is 803134201.

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, 24585 + ... + 28447.

It is an arithmetic number, because the mean of its divisors is an integer number (8547168).

Almost surely, 2^102431308 is an apocalyptic number.

It is an amenable number.

102431308 is an abundant number, since it is smaller than the sum of its proper divisors (102700724).

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

102431308 is a wasteful number, since it uses less digits than its factorization.

102431308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 102431308 is about 10120.8353410181. The cubic root of 102431308 is about 467.8905130199.

Adding to 102431308 its reverse (803134201), we get a palindrome (905565509).

The spelling of 102431308 in words is "one hundred two million, four hundred thirty-one thousand, three hundred eight".