255431343342 has 32 divisors (see below), whose sum is σ = 595758240000. Its totient is φ = 72980383224.

The previous prime is 255431343319. The next prime is 255431343361. The reversal of 255431343342 is 243343134552.

It is a super-2 number, since 2×255431343342² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255431343342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62056092 + ... + 62060207.

It is an arithmetic number, because the mean of its divisors is an integer number (18617445000).

Almost surely, 2^255431343342 is an apocalyptic number.

255431343342 is an abundant number, since it is smaller than the sum of its proper divisors (340326896658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255431343342 is a wasteful number, since it uses less digits than its factorization.

255431343342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124116325 (or 124116311 counting only the distinct ones).

The product of its digits is 518400, while the sum is 39.

Adding to 255431343342 its reverse (243343134552), we get a palindrome (498774477894).

The spelling of 255431343342 in words is "two hundred fifty-five billion, four hundred thirty-one million, three hundred forty-three thousand, three hundred forty-two".