231304404002 has 32 divisors (see below), whose sum is σ = 398694057984. Its totient is φ = 98587656000.

The previous prime is 231304403983. The next prime is 231304404007. The reversal of 231304404002 is 200404403132.

It is not an unprimeable number, because it can be changed into a prime (231304404007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15236888 + ... + 15252060.

It is an arithmetic number, because the mean of its divisors is an integer number (12459189312).

Almost surely, 2^231304404002 is an apocalyptic number.

231304404002 is a deficient number, since it is larger than the sum of its proper divisors (167389653982).

231304404002 is a wasteful number, since it uses less digits than its factorization.

231304404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21074.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 231304404002 its reverse (200404403132), we get a palindrome (431708807134).

The spelling of 231304404002 in words is "two hundred thirty-one billion, three hundred four million, four hundred four thousand, two".