130628431 has 8 divisors (see below), whose sum is σ = 136427904. Its totient is φ = 124839000.

The previous prime is 130628429. The next prime is 130628467. The reversal of 130628431 is 134826031.

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

It is a cyclic number.

It is not a de Polignac number, because 130628431 - 2¹ = 130628429 is a prime.

It is a super-2 number, since 2×130628431² = 34127573971043522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130628431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130628231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38556 + ... + 41806.

It is an arithmetic number, because the mean of its divisors is an integer number (17053488).

Almost surely, 2^130628431 is an apocalyptic number.

130628431 is a deficient number, since it is larger than the sum of its proper divisors (5799473).

130628431 is a wasteful number, since it uses less digits than its factorization.

130628431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 130628431 is about 11429.2795485980. The cubic root of 130628431 is about 507.3946731519.

The spelling of 130628431 in words is "one hundred thirty million, six hundred twenty-eight thousand, four hundred thirty-one".