13131322330 has 48 divisors (see below), whose sum is σ = 27843505920. Its totient is φ = 4445165088.

The previous prime is 13131322307. The next prime is 13131322331. The reversal of 13131322330 is 3322313131.

It is a super-2 number, since 2×13131322330² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13131322331) 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, 130902 + ... + 208321.

It is an arithmetic number, because the mean of its divisors is an integer number (580073040).

Almost surely, 2^13131322330 is an apocalyptic number.

13131322330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131322330 is an abundant number, since it is smaller than the sum of its proper divisors (14712183590).

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

13131322330 is a wasteful number, since it uses less digits than its factorization.

13131322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339323 (or 339316 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13131322330 its reverse (3322313131), we get a palindrome (16453635461).

The spelling of 13131322330 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred thirty".