231317090200 has 96 divisors (see below), whose sum is σ = 626239784160. Its totient is φ = 77812300800.

The previous prime is 231317090183. The next prime is 231317090201. The reversal of 231317090200 is 2090713132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231317090201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1484541 + ... + 1632940.

It is an arithmetic number, because the mean of its divisors is an integer number (6523331085).

Almost surely, 2^231317090200 is an apocalyptic number.

231317090200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231317090200 is an abundant number, since it is smaller than the sum of its proper divisors (394922693960).

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

231317090200 is a wasteful number, since it uses less digits than its factorization.

231317090200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117557 (or 3117548 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 231317090200 in words is "two hundred thirty-one billion, three hundred seventeen million, ninety thousand, two hundred".