130167731 has 2 divisors, whose sum is σ = 130167732. Its totient is φ = 130167730.

The previous prime is 130167707. The next prime is 130167749. The reversal of 130167731 is 137761031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130167731 - 2²² = 125973427 is a prime.

It is a super-2 number, since 2×130167731² = 33887276387376722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130167694 and 130167703.

It is not a weakly prime, because it can be changed into another prime (130167781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65083865 + 65083866.

It is an arithmetic number, because the mean of its divisors is an integer number (65083866).

Almost surely, 2^130167731 is an apocalyptic number.

130167731 is a deficient number, since it is larger than the sum of its proper divisors (1).

130167731 is an equidigital number, since it uses as much as digits as its factorization.

130167731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 130167731 is about 11409.1073708682. The cubic root of 130167731 is about 506.7974778144.

The spelling of 130167731 in words is "one hundred thirty million, one hundred sixty-seven thousand, seven hundred thirty-one".