231403002234 has 16 divisors (see below), whose sum is σ = 467388243360. Its totient is φ = 76370627600.

The previous prime is 231403002209. The next prime is 231403002247. The reversal of 231403002234 is 432200304132.

It is a Curzon 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, 190925964 + ... + 190927175.

It is an arithmetic number, because the mean of its divisors is an integer number (29211765210).

Almost surely, 2^231403002234 is an apocalyptic number.

231403002234 is an abundant number, since it is smaller than the sum of its proper divisors (235985241126).

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

231403002234 is a wasteful number, since it uses less digits than its factorization.

231403002234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381853245.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231403002234 its reverse (432200304132), we get a palindrome (663603306366).

The spelling of 231403002234 in words is "two hundred thirty-one billion, four hundred three million, two thousand, two hundred thirty-four".