130310123220 has 48 divisors (see below), whose sum is σ = 405409273920. Its totient is φ = 34749366048.

The previous prime is 130310123219. The next prime is 130310123243. The reversal of 130310123220 is 22321013031.

130310123220 is a `hidden beast` number, since 1 + 30 + 310 + 1 + 2 + 322 + 0 = 666.

It is a super-2 number, since 2×130310123220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130310123193 and 130310123202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120656982 + ... + 120658061.

It is an arithmetic number, because the mean of its divisors is an integer number (8446026540).

Almost surely, 2^130310123220 is an apocalyptic number.

130310123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130310123220 is an abundant number, since it is smaller than the sum of its proper divisors (275099150700).

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

130310123220 is a wasteful number, since it uses less digits than its factorization.

130310123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241315061 (or 241315053 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130310123220 its reverse (22321013031), we get a palindrome (152631136251).

The spelling of 130310123220 in words is "one hundred thirty billion, three hundred ten million, one hundred twenty-three thousand, two hundred twenty".