102131344 has 40 divisors (see below), whose sum is σ = 226685888. Its totient is φ = 43666560.

The previous prime is 102131269. The next prime is 102131347. The reversal of 102131344 is 443131201.

It is a super-2 number, since 2×102131344² = 20861622854492672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102131347) 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 7 ways as a sum of consecutive naturals, for example, 63154 + ... + 64750.

Almost surely, 2^102131344 is an apocalyptic number.

102131344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102131344 is an abundant number, since it is smaller than the sum of its proper divisors (124554544).

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

102131344 is a wasteful number, since it uses less digits than its factorization.

102131344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102131344 is about 10106.0053433590. The cubic root of 102131344 is about 467.4333366011.

Adding to 102131344 its reverse (443131201), we get a palindrome (545262545).

The spelling of 102131344 in words is "one hundred two million, one hundred thirty-one thousand, three hundred forty-four".