130031321320 has 64 divisors (see below), whose sum is σ = 293204610000. Its totient is φ = 51899947008.

The previous prime is 130031321317. The next prime is 130031321327. The reversal of 130031321320 is 23123130031.

It can be written as a sum of positive squares in 8 ways, for example, as 87096994884 + 42934326436 = 295122^2 + 207206^2 .

It is not an unprimeable number, because it can be changed into a prime (130031321327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51011406 + ... + 51013954.

Almost surely, 2^130031321320 is an apocalyptic number.

130031321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130031321320 is an abundant number, since it is smaller than the sum of its proper divisors (163173288680).

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

130031321320 is a wasteful number, since it uses less digits than its factorization.

130031321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822 (or 4818 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 130031321320 its reverse (23123130031), we get a palindrome (153154451351).

The spelling of 130031321320 in words is "one hundred thirty billion, thirty-one million, three hundred twenty-one thousand, three hundred twenty".