130311321220 has 24 divisors (see below), whose sum is σ = 273662311104. Its totient is φ = 52122902496.

The previous prime is 130311321209. The next prime is 130311321221. The reversal of 130311321220 is 22123113031.

It is not an unprimeable number, because it can be changed into a prime (130311321221) 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 7 ways as a sum of consecutive naturals, for example, 715977 + ... + 879343.

It is an arithmetic number, because the mean of its divisors is an integer number (11402596296).

Almost surely, 2^130311321220 is an apocalyptic number.

130311321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130311321220 is an abundant number, since it is smaller than the sum of its proper divisors (143350989884).

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

130311321220 is a wasteful number, since it uses less digits than its factorization.

130311321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203259 (or 203257 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 130311321220 its reverse (22123113031), we get a palindrome (152434434251).

The spelling of 130311321220 in words is "one hundred thirty billion, three hundred eleven million, three hundred twenty-one thousand, two hundred twenty".