102361131 has 16 divisors (see below), whose sum is σ = 160567200. Its totient is φ = 64226304.

The previous prime is 102361087. The next prime is 102361139. The reversal of 102361131 is 131163201.

102361131 is a `hidden beast` number, since 1 + 0 + 23 + 611 + 31 = 666.

It is not a de Polignac number, because 102361131 - 2⁶ = 102361067 is a prime.

It is a super-2 number, since 2×102361131² = 20955602279198322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102361139) 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 in 15 ways as a sum of consecutive naturals, for example, 111046 + ... + 111963.

It is an arithmetic number, because the mean of its divisors is an integer number (10035450).

Almost surely, 2^102361131 is an apocalyptic number.

102361131 is a deficient number, since it is larger than the sum of its proper divisors (58206069).

102361131 is a wasteful number, since it uses less digits than its factorization.

102361131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223035 (or 223029 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 102361131 is about 10117.3677900924. The cubic root of 102361131 is about 467.7836360158.

The spelling of 102361131 in words is "one hundred two million, three hundred sixty-one thousand, one hundred thirty-one".