130121330031 has 24 divisors (see below), whose sum is σ = 234331054464. Its totient is φ = 67595495760.

The previous prime is 130121330023. The next prime is 130121330041. The reversal of 130121330031 is 130033121031.

It is a happy number.

130121330031 is a `hidden beast` number, since 1 + 301 + 2 + 1 + 330 + 0 + 31 = 666.

It is not a de Polignac number, because 130121330031 - 2³ = 130121330023 is a prime.

It is a super-2 number, since 2×130121330031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130121329986 and 130121330013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121330041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93881941 + ... + 93883326.

It is an arithmetic number, because the mean of its divisors is an integer number (9763793936).

Almost surely, 2^130121330031 is an apocalyptic number.

130121330031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130121330031 is a deficient number, since it is larger than the sum of its proper divisors (104209724433).

130121330031 is a wasteful number, since it uses less digits than its factorization.

130121330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187765291 (or 187765288 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 130121330031 its reverse (130033121031), we get a palindrome (260154451062).

The spelling of 130121330031 in words is "one hundred thirty billion, one hundred twenty-one million, three hundred thirty thousand, thirty-one".