102431668 has 12 divisors (see below), whose sum is σ = 180157600. Its totient is φ = 50958072.

The previous prime is 102431639. The next prime is 102431671. The reversal of 102431668 is 866134201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63546 + ... + 65137.

Almost surely, 2^102431668 is an apocalyptic number.

It is an amenable number.

102431668 is a deficient number, since it is larger than the sum of its proper divisors (77725932).

102431668 is a wasteful number, since it uses less digits than its factorization.

102431668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128886 (or 128884 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 102431668 is about 10120.8531260956. The cubic root of 102431668 is about 467.8910611609.

Adding to 102431668 its reverse (866134201), we get a palindrome (968565869).

It can be divided in two parts, 10243 and 1668, that added together give a palindrome (11911).

The spelling of 102431668 in words is "one hundred two million, four hundred thirty-one thousand, six hundred sixty-eight".