231217690704 has 480 divisors, whose sum is σ = 832474718208. Its totient is φ = 53644032000.

The previous prime is 231217690699. The next prime is 231217690721. The reversal of 231217690704 is 407096712132.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 19357374 + ... + 19369314.

Almost surely, 2^231217690704 is an apocalyptic number.

231217690704 is a gapful number since it is divisible by the number (24) 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 231217690704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416237359104).

231217690704 is an abundant number, since it is smaller than the sum of its proper divisors (601257027504).

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

231217690704 is a wasteful number, since it uses less digits than its factorization.

231217690704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12027 (or 12008 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 231217690704 in words is "two hundred thirty-one billion, two hundred seventeen million, six hundred ninety thousand, seven hundred four".