231331033104 has 160 divisors (see below), whose sum is σ = 629758800000. Its totient is φ = 73073774592.

The previous prime is 231331033061. The next prime is 231331033117. The reversal of 231331033104 is 401330133132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16227772 + ... + 16242020.

It is an arithmetic number, because the mean of its divisors is an integer number (3935992500).

Almost surely, 2^231331033104 is an apocalyptic number.

231331033104 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 231331033104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314879400000).

231331033104 is an abundant number, since it is smaller than the sum of its proper divisors (398427766896).

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

231331033104 is a wasteful number, since it uses less digits than its factorization.

231331033104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14505 (or 14499 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231331033104 its reverse (401330133132), we get a palindrome (632661166236).

The spelling of 231331033104 in words is "two hundred thirty-one billion, three hundred thirty-one million, thirty-three thousand, one hundred four".