130031220230120 has 96 divisors (see below), whose sum is σ = 322387440084360. Its totient is φ = 47166163968000.

The previous prime is 130031220230117. The next prime is 130031220230123. The reversal of 130031220230120 is 21032022130031.

It is an interprime number because it is at equal distance from previous prime (130031220230117) and next prime (130031220230123).

It can be written as a sum of positive squares in 4 ways, for example, as 99779042190916 + 30252178039204 = 9988946^2 + 5500198^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 130031220230092 and 130031220230101.

It is not an unprimeable number, because it can be changed into a prime (130031220230123) 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, 31557857 + ... + 35439536.

Almost surely, 2^{130031220230120} is an apocalyptic number.

130031220230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130031220230120 is an abundant number, since it is smaller than the sum of its proper divisors (192356219854240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130031220230120 is a wasteful number, since it uses less digits than its factorization.

130031220230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66997827 (or 66997812 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 130031220230120 its reverse (21032022130031), we get a palindrome (151063242360151).

The spelling of 130031220230120 in words is "one hundred thirty trillion, thirty-one billion, two hundred twenty million, two hundred thirty thousand, one hundred twenty".