101604131 has 2 divisors, whose sum is σ = 101604132. Its totient is φ = 101604130.

The previous prime is 101604119. The next prime is 101604149. The reversal of 101604131 is 131406101.

It is a weak prime.

It is an emirp because it is prime and its reverse (131406101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101604131 - 2⁶ = 101604067 is a prime.

It is a super-2 number, since 2×101604131² = 20646798872530322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101634131) 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 as a sum of consecutive naturals, namely, 50802065 + 50802066.

It is an arithmetic number, because the mean of its divisors is an integer number (50802066).

Almost surely, 2^101604131 is an apocalyptic number.

101604131 is a deficient number, since it is larger than the sum of its proper divisors (1).

101604131 is an equidigital number, since it uses as much as digits as its factorization.

101604131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 101604131 is about 10079.8874497685. The cubic root of 101604131 is about 466.6276348874.

The spelling of 101604131 in words is "one hundred one million, six hundred four thousand, one hundred thirty-one".