130123131 has 4 divisors (see below), whose sum is σ = 173497512. Its totient is φ = 86748752.

The previous prime is 130123129. The next prime is 130123139. The reversal of 130123131 is 131321031.

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

It is a cyclic number.

It is not a de Polignac number, because 130123131 - 2¹ = 130123129 is a prime.

It is a super-2 number, since 2×130123131² = 33864058442486322, 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 130123131.

It is not an unprimeable number, because it can be changed into a prime (130123139) 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, 21687186 + ... + 21687191.

It is an arithmetic number, because the mean of its divisors is an integer number (43374378).

Almost surely, 2^130123131 is an apocalyptic number.

130123131 is a deficient number, since it is larger than the sum of its proper divisors (43374381).

130123131 is an equidigital number, since it uses as much as digits as its factorization.

130123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43374380.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 130123131 is about 11407.1526245597. The cubic root of 130123131 is about 506.7395890443.

Adding to 130123131 its reverse (131321031), we get a palindrome (261444162).

The spelling of 130123131 in words is "one hundred thirty million, one hundred twenty-three thousand, one hundred thirty-one".