2131022323320 has 128 divisors (see below), whose sum is σ = 7072484129280. Its totient is φ = 509335232000.

The previous prime is 2131022323301. The next prime is 2131022323343. The reversal of 2131022323320 is 233232201312.

It is a super-2 number, since 2×2131022323320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 11275371 + ... + 11462810.

It is an arithmetic number, because the mean of its divisors is an integer number (55253782260).

Almost surely, 2^{2131022323320} is an apocalyptic number.

2131022323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131022323320 is an abundant number, since it is smaller than the sum of its proper divisors (4941461805960).

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

2131022323320 is a wasteful number, since it uses less digits than its factorization.

2131022323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22738277 (or 22738273 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2131022323320 its reverse (233232201312), we get a palindrome (2364254524632).

The spelling of 2131022323320 in words is "two trillion, one hundred thirty-one billion, twenty-two million, three hundred twenty-three thousand, three hundred twenty".