231222222313100 has 72 divisors (see below), whose sum is σ = 508519940922000. Its totient is φ = 91246012211200.

The previous prime is 231222222313097. The next prime is 231222222313111. The reversal of 231222222313100 is 1313222222132.

It is a super-2 number, since 2×231222222313100² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231222222313100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24934886 + ... + 32927085.

It is an arithmetic number, because the mean of its divisors is an integer number (7062776957250).

Almost surely, 2^{231222222313100} is an apocalyptic number.

231222222313100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231222222313100 is an abundant number, since it is smaller than the sum of its proper divisors (277297718608900).

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

231222222313100 is a wasteful number, since it uses less digits than its factorization.

231222222313100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57862523 (or 57862516 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231222222313100 its reverse (1313222222132), we get a palindrome (232535444535232).

The spelling of 231222222313100 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, two hundred twenty-two million, three hundred thirteen thousand, one hundred".