231401004232 has 8 divisors (see below), whose sum is σ = 433876882950. Its totient is φ = 115700502112.

The previous prime is 231401004223. The next prime is 231401004287. The reversal of 231401004232 is 232400104132.

It can be written as a sum of positive squares in only one way, i.e., 118656825156 + 112744179076 = 344466^2 + 335774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14462562757 + ... + 14462562772.

Almost surely, 2^231401004232 is an apocalyptic number.

It is an amenable number.

231401004232 is a deficient number, since it is larger than the sum of its proper divisors (202475878718).

231401004232 is a wasteful number, since it uses less digits than its factorization.

231401004232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28925125535 (or 28925125531 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231401004232 its reverse (232400104132), we get a palindrome (463801108364).

The spelling of 231401004232 in words is "two hundred thirty-one billion, four hundred one million, four thousand, two hundred thirty-two".