231101132304 has 160 divisors (see below), whose sum is σ = 692553888000. Its totient is φ = 65042030592.

The previous prime is 231101132287. The next prime is 231101132359. The reversal of 231101132304 is 403231101132.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 8029812 + ... + 8058540.

It is an arithmetic number, because the mean of its divisors is an integer number (4328461800).

Almost surely, 2^231101132304 is an apocalyptic number.

231101132304 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 231101132304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346276944000).

231101132304 is an abundant number, since it is smaller than the sum of its proper divisors (461452755696).

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

231101132304 is a wasteful number, since it uses less digits than its factorization.

231101132304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29105 (or 29099 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231101132304 its reverse (403231101132), we get a palindrome (634332233436).

The spelling of 231101132304 in words is "two hundred thirty-one billion, one hundred one million, one hundred thirty-two thousand, three hundred four".