53231232231 has 12 divisors (see below), whose sum is σ = 76891696752. Its totient is φ = 35486500896.

The previous prime is 53231232227. The next prime is 53231232281. The reversal of 53231232231 is 13223213235.

It is a happy number.

53231232231 is a `hidden beast` number, since 5 + 323 + 12 + 322 + 3 + 1 = 666.

It is not a de Polignac number, because 53231232231 - 2² = 53231232227 is a prime.

It is a super-2 number, since 2×53231232231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53231232195 and 53231232204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53231232281) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 421675 + ... + 533171.

It is an arithmetic number, because the mean of its divisors is an integer number (6407641396).

Almost surely, 2^53231232231 is an apocalyptic number.

53231232231 is a deficient number, since it is larger than the sum of its proper divisors (23660464521).

53231232231 is a wasteful number, since it uses less digits than its factorization.

53231232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164550 (or 164547 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

Adding to 53231232231 its reverse (13223213235), we get a palindrome (66454445466).

The spelling of 53231232231 in words is "fifty-three billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred thirty-one".