130123113031 has 4 divisors (see below), whose sum is σ = 132891689952. Its totient is φ = 127354536112.

The previous prime is 130123112921. The next prime is 130123113047. The reversal of 130123113031 is 130311321031.

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 130123113031 - 2²⁷ = 129988895303 is a prime.

It is a super-2 number, since 2×130123113031² (a number of 23 digits) 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 (130123113091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384288390 + ... + 1384288483.

It is an arithmetic number, because the mean of its divisors is an integer number (33222922488).

Almost surely, 2^130123113031 is an apocalyptic number.

130123113031 is a deficient number, since it is larger than the sum of its proper divisors (2768576921).

130123113031 is an equidigital number, since it uses as much as digits as its factorization.

130123113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768576920.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 130123113031 its reverse (130311321031), we get a palindrome (260434434062).

The spelling of 130123113031 in words is "one hundred thirty billion, one hundred twenty-three million, one hundred thirteen thousand, thirty-one".