231341355011100 has 144 divisors (see below), whose sum is σ = 670886069293440. Its totient is φ = 61549273132800.

The previous prime is 231341355011027. The next prime is 231341355011113. The reversal of 231341355011100 is 1110553143132.

It is a super-2 number, since 2×231341355011100² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1114455919 + ... + 1114663481.

It is an arithmetic number, because the mean of its divisors is an integer number (4658931036760).

Almost surely, 2^{231341355011100} is an apocalyptic number.

231341355011100 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 231341355011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335443034646720).

231341355011100 is an abundant number, since it is smaller than the sum of its proper divisors (439544714282340).

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

231341355011100 is a wasteful number, since it uses less digits than its factorization.

231341355011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216100 (or 216093 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 231341355011100 in words is "two hundred thirty-one trillion, three hundred forty-one billion, three hundred fifty-five million, eleven thousand, one hundred".