102162131 has 2 divisors, whose sum is σ = 102162132. Its totient is φ = 102162130.

The previous prime is 102162101. The next prime is 102162149. The reversal of 102162131 is 131261201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102162131 is a prime.

It is a super-2 number, since 2×102162131² = 20874202020922322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102162101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51081065 + 51081066.

It is an arithmetic number, because the mean of its divisors is an integer number (51081066).

Almost surely, 2^102162131 is an apocalyptic number.

102162131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102162131 is an equidigital number, since it uses as much as digits as its factorization.

102162131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 102162131 is about 10107.5284318175. The cubic root of 102162131 is about 467.4803003891.

The spelling of 102162131 in words is "one hundred two million, one hundred sixty-two thousand, one hundred thirty-one".