231332330000 has 100 divisors (see below), whose sum is σ = 560588466768. Its totient is φ = 92448720000.

The previous prime is 231332329997. The next prime is 231332330027. The reversal of 231332330000 is 33233132.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11620055 + ... + 11639945.

Almost surely, 2^231332330000 is an apocalyptic number.

231332330000 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 231332330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280294233384).

231332330000 is an abundant number, since it is smaller than the sum of its proper divisors (329256136768).

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

231332330000 is a wasteful number, since it uses less digits than its factorization.

231332330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21082 (or 21061 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 231332330000 its reverse (33233132), we get a palindrome (231365563132).

The spelling of 231332330000 in words is "two hundred thirty-one billion, three hundred thirty-two million, three hundred thirty thousand".