130226631 has 4 divisors (see below), whose sum is σ = 173635512. Its totient is φ = 86817752.

The previous prime is 130226623. The next prime is 130226639. The reversal of 130226631 is 136622031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130226623) and next prime (130226639).

It is a cyclic number.

It is not a de Polignac number, because 130226631 - 2³ = 130226623 is a prime.

It is a super-2 number, since 2×130226631² = 33917950843220322, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130226639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21704436 + ... + 21704441.

It is an arithmetic number, because the mean of its divisors is an integer number (43408878).

Almost surely, 2^130226631 is an apocalyptic number.

130226631 is a deficient number, since it is larger than the sum of its proper divisors (43408881).

130226631 is an equidigital number, since it uses as much as digits as its factorization.

130226631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43408880.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 130226631 is about 11411.6883501084. The cubic root of 130226631 is about 506.8739070748.

Adding to 130226631 its reverse (136622031), we get a palindrome (266848662).

The spelling of 130226631 in words is "one hundred thirty million, two hundred twenty-six thousand, six hundred thirty-one".