231031322401 has 32 divisors (see below), whose sum is σ = 257854648320. Its totient is φ = 205238342400.

The previous prime is 231031322399. The next prime is 231031322429. The reversal of 231031322401 is 104223130132.

It is a cyclic number.

It is not a de Polignac number, because 231031322401 - 2¹ = 231031322399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231031322471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95348076 + ... + 95350498.

It is an arithmetic number, because the mean of its divisors is an integer number (8057957760).

Almost surely, 2^231031322401 is an apocalyptic number.

It is an amenable number.

231031322401 is a deficient number, since it is larger than the sum of its proper divisors (26823325919).

231031322401 is a wasteful number, since it uses less digits than its factorization.

231031322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231031322401 its reverse (104223130132), we get a palindrome (335254452533).

The spelling of 231031322401 in words is "two hundred thirty-one billion, thirty-one million, three hundred twenty-two thousand, four hundred one".