231772705711100 has 36 divisors (see below), whose sum is σ = 520289763516600. Its totient is φ = 89512217376960.

The previous prime is 231772705711039. The next prime is 231772705711109. The reversal of 231772705711100 is 1117507277132.

It is a super-2 number, since 2×231772705711100² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231772705711109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39960808430 + ... + 39960814229.

Almost surely, 2^{231772705711100} is an apocalyptic number.

231772705711100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231772705711100 is an abundant number, since it is smaller than the sum of its proper divisors (288517057805500).

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

231772705711100 is a wasteful number, since it uses less digits than its factorization.

231772705711100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79921622702 (or 79921622695 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 44.

The spelling of 231772705711100 in words is "two hundred thirty-one trillion, seven hundred seventy-two billion, seven hundred five million, seven hundred eleven thousand, one hundred".