130301631 has 12 divisors (see below), whose sum is σ = 188896552. Its totient is φ = 86552496.

The previous prime is 130301621. The next prime is 130301657. The reversal of 130301631 is 136103031.

130301631 is a `hidden beast` number, since 1 + 3 + 0 + 30 + 1 + 631 = 666.

It is not a de Polignac number, because 130301631 - 2⁵ = 130301599 is a prime.

It is a super-2 number, since 2×130301631² = 33957030082520322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130301621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23641 + ... + 28626.

Almost surely, 2^130301631 is an apocalyptic number.

130301631 is a deficient number, since it is larger than the sum of its proper divisors (58594921).

130301631 is a wasteful number, since it uses less digits than its factorization.

130301631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52550 (or 52547 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 130301631 is about 11414.9739815735. The cubic root of 130301631 is about 506.9711945167.

Adding to 130301631 its reverse (136103031), we get a palindrome (266404662).

The spelling of 130301631 in words is "one hundred thirty million, three hundred one thousand, six hundred thirty-one".