102731164 has 6 divisors (see below), whose sum is σ = 179779544. Its totient is φ = 51365580.

The previous prime is 102731149. The next prime is 102731177. The reversal of 102731164 is 461137201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12841392 + ... + 12841399.

Almost surely, 2^102731164 is an apocalyptic number.

It is an amenable number.

102731164 is a deficient number, since it is larger than the sum of its proper divisors (77048380).

102731164 is a wasteful number, since it uses less digits than its factorization.

102731164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25682795 (or 25682793 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 102731164 is about 10135.6383124103. The cubic root of 102731164 is about 468.3466336427.

Adding to 102731164 its reverse (461137201), we get a palindrome (563868365).

The spelling of 102731164 in words is "one hundred two million, seven hundred thirty-one thousand, one hundred sixty-four".