13131120330 has 64 divisors (see below), whose sum is σ = 35030292480. Its totient is φ = 3500235072.

The previous prime is 13131120323. The next prime is 13131120377. The reversal of 13131120330 is 3302113131.

It is a happy number.

13131120330 is a `hidden beast` number, since 1 + 3 + 1 + 311 + 20 + 330 = 666.

It is a super-2 number, since 2×13131120330² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790167 + ... + 806613.

It is an arithmetic number, because the mean of its divisors is an integer number (547348320).

Almost surely, 2^13131120330 is an apocalyptic number.

13131120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131120330 is an abundant number, since it is smaller than the sum of its proper divisors (21899172150).

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

13131120330 is a wasteful number, since it uses less digits than its factorization.

13131120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19420 (or 19414 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13131120330 its reverse (3302113131), we get a palindrome (16433233461).

The spelling of 13131120330 in words is "thirteen billion, one hundred thirty-one million, one hundred twenty thousand, three hundred thirty".