231001002330 has 160 divisors (see below), whose sum is σ = 651728075328. Its totient is φ = 52395033600.

The previous prime is 231001002293. The next prime is 231001002361. The reversal of 231001002330 is 33200100132.

It is a super-2 number, since 2×231001002330² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9423690 + ... + 9448170.

Almost surely, 2^231001002330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231001002330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325864037664).

231001002330 is an abundant number, since it is smaller than the sum of its proper divisors (420727072998).

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

231001002330 is a wasteful number, since it uses less digits than its factorization.

231001002330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24650 (or 24629 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 231001002330 its reverse (33200100132), we get a palindrome (264201102462).

The spelling of 231001002330 in words is "two hundred thirty-one billion, one million, two thousand, three hundred thirty".