231403633060431 has 8 divisors (see below), whose sum is σ = 332271883368880. Its totient is φ = 142402235729472.

The previous prime is 231403633060429. The next prime is 231403633060447. The reversal of 231403633060431 is 134060336304132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231403633060431 - 2¹ = 231403633060429 is a prime.

It is a super-2 number, since 2×231403633060431² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 5933426488729 = 231403633060431 / (2 + 3 + 1 + 4 + 0 + 3 + 6 + 3 + 3 + 0 + 6 + 0 + 4 + 3 + 1).

It is a self number, because there is not a number n which added to its sum of digits gives 231403633060431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231403633060631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2966713244326 + ... + 2966713244403.

It is an arithmetic number, because the mean of its divisors is an integer number (41533985421110).

Almost surely, 2^{231403633060431} is an apocalyptic number.

231403633060431 is a deficient number, since it is larger than the sum of its proper divisors (100868250308449).

231403633060431 is a wasteful number, since it uses less digits than its factorization.

231403633060431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933426488745.

The product of its (nonzero) digits is 279936, while the sum is 39.

Adding to 231403633060431 its reverse (134060336304132), we get a palindrome (365463969364563).

The spelling of 231403633060431 in words is "two hundred thirty-one trillion, four hundred three billion, six hundred thirty-three million, sixty thousand, four hundred thirty-one".