130433631 has 8 divisors (see below), whose sum is σ = 173966640. Its totient is φ = 86928192.

The previous prime is 130433623. The next prime is 130433717. The reversal of 130433631 is 136334031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130433631 - 2³ = 130433623 is a prime.

It is a super-2 number, since 2×130433631² = 34025864191688322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130433431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10221 + ... + 19113.

It is an arithmetic number, because the mean of its divisors is an integer number (21745830).

Almost surely, 2^130433631 is an apocalyptic number.

130433631 is a deficient number, since it is larger than the sum of its proper divisors (43533009).

130433631 is an equidigital number, since it uses as much as digits as its factorization.

130433631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13785.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 130433631 is about 11420.7543971491. The cubic root of 130433631 is about 507.1423297828.

Adding to 130433631 its reverse (136334031), we get a palindrome (266767662).

The spelling of 130433631 in words is "one hundred thirty million, four hundred thirty-three thousand, six hundred thirty-one".