231322310312100 has 288 divisors, whose sum is σ = 798195694872576. Its totient is φ = 50572715212800.

The previous prime is 231322310312089. The next prime is 231322310312113. The reversal of 231322310312100 is 1213013223132.

It is a super-2 number, since 2×231322310312100² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1353618660 + ... + 1353789540.

Almost surely, 2^{231322310312100} is an apocalyptic number.

231322310312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231322310312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399097847436288).

231322310312100 is an abundant number, since it is smaller than the sum of its proper divisors (566873384560476).

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

231322310312100 is a wasteful number, since it uses less digits than its factorization.

231322310312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198955 (or 198948 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231322310312100 its reverse (1213013223132), we get a palindrome (232535323535232).

The spelling of 231322310312100 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred ten million, three hundred twelve thousand, one hundred".