231304040102 has 16 divisors (see below), whose sum is σ = 372848307120. Its totient is φ = 107224347648.

The previous prime is 231304040021. The next prime is 231304040141. The reversal of 231304040102 is 201040403132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50766827 + ... + 50771382.

It is an arithmetic number, because the mean of its divisors is an integer number (23303019195).

Almost surely, 2^231304040102 is an apocalyptic number.

231304040102 is a deficient number, since it is larger than the sum of its proper divisors (141544267018).

231304040102 is a wasteful number, since it uses less digits than its factorization.

231304040102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101538295.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 231304040102 its reverse (201040403132), we get a palindrome (432344443234).

The spelling of 231304040102 in words is "two hundred thirty-one billion, three hundred four million, forty thousand, one hundred two".