231331330100100 has 144 divisors (see below), whose sum is σ = 671729995139840. Its totient is φ = 61466140828800.

The previous prime is 231331330100041. The next prime is 231331330100149. The reversal of 231331330100100 is 1001033133132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1346343195 + ... + 1346515005.

Almost surely, 2^{231331330100100} is an apocalyptic number.

231331330100100 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 231331330100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335864997569920).

231331330100100 is an abundant number, since it is smaller than the sum of its proper divisors (440398665039740).

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

231331330100100 is a wasteful number, since it uses less digits than its factorization.

231331330100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187970 (or 187963 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 231331330100100 its reverse (1001033133132), we get a palindrome (232332363233232).

The spelling of 231331330100100 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, three hundred thirty million, one hundred thousand, one hundred".