130631 has 2 divisors, whose sum is σ = 130632. Its totient is φ = 130630.

The previous prime is 130621. The next prime is 130633. The reversal of 130631 is 136031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130631 - 2¹⁰ = 129607 is a prime.

It is a super-2 number, since 2×130631² = 34128916322, which contains 22 as substring.

Together with 130633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65315 + 65316.

It is an arithmetic number, because the mean of its divisors is an integer number (65316).

2¹³⁰⁶³¹ is an apocalyptic number.

130631 is a deficient number, since it is larger than the sum of its proper divisors (1).

130631 is an equidigital number, since it uses as much as digits as its factorization.

130631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 130631 is about 361.4291078483. The cubic root of 130631 is about 50.7397999351.

Adding to 130631 its reverse (136031), we get a palindrome (266662).

The spelling of 130631 in words is "one hundred thirty thousand, six hundred thirty-one".