131122133320 has 32 divisors (see below), whose sum is σ = 295045545600. Its totient is φ = 52445165248.

The previous prime is 131122133299. The next prime is 131122133323. The reversal of 131122133320 is 23331221131.

It is a junction number, because it is equal to n+sod(n) for n = 131122133291 and 131122133300.

It is not an unprimeable number, because it can be changed into a prime (131122133323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501441 + ... + 716719.

It is an arithmetic number, because the mean of its divisors is an integer number (9220173300).

Almost surely, 2^131122133320 is an apocalyptic number.

131122133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131122133320 is an abundant number, since it is smaller than the sum of its proper divisors (163923412280).

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

131122133320 is a wasteful number, since it uses less digits than its factorization.

131122133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230517 (or 230513 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131122133320 its reverse (23331221131), we get a palindrome (154453354451).

The spelling of 131122133320 in words is "one hundred thirty-one billion, one hundred twenty-two million, one hundred thirty-three thousand, three hundred twenty".