255432131231 has 8 divisors (see below), whose sum is σ = 259734808704. Its totient is φ = 251158624920.

The previous prime is 255432131189. The next prime is 255432131233. The reversal of 255432131231 is 132131234552.

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

It is a cyclic number.

It is not a de Polignac number, because 255432131231 - 2²² = 255427936927 is a prime.

It is a super-2 number, since 2×255432131231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255432131233) 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, 7275131 + ... + 7310156.

It is an arithmetic number, because the mean of its divisors is an integer number (32466851088).

Almost surely, 2^255432131231 is an apocalyptic number.

255432131231 is a deficient number, since it is larger than the sum of its proper divisors (4302677473).

255432131231 is a wasteful number, since it uses less digits than its factorization.

255432131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14585581.

The product of its digits is 21600, while the sum is 32.

Adding to 255432131231 its reverse (132131234552), we get a palindrome (387563365783).

The spelling of 255432131231 in words is "two hundred fifty-five billion, four hundred thirty-two million, one hundred thirty-one thousand, two hundred thirty-one".