231043321002 has 32 divisors (see below), whose sum is σ = 498740155200. Its totient is φ = 70931911680.

The previous prime is 231043320961. The next prime is 231043321021. The reversal of 231043321002 is 200123340132.

It is a self number, because there is not a number n which added to its sum of digits gives 231043321002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3263524 + ... + 3333567.

It is an arithmetic number, because the mean of its divisors is an integer number (15585629850).

Almost surely, 2^231043321002 is an apocalyptic number.

231043321002 is an abundant number, since it is smaller than the sum of its proper divisors (267696834198).

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

231043321002 is a wasteful number, since it uses less digits than its factorization.

231043321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597558.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231043321002 its reverse (200123340132), we get a palindrome (431166661134).

The spelling of 231043321002 in words is "two hundred thirty-one billion, forty-three million, three hundred twenty-one thousand, two".