255431342 has 8 divisors (see below), whose sum is σ = 383223000. Its totient is φ = 127690344.

The previous prime is 255431329. The next prime is 255431347. The reversal of 255431342 is 243134552.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255431347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4709 + ... + 23087.

It is an arithmetic number, because the mean of its divisors is an integer number (47902875).

Almost surely, 2^255431342 is an apocalyptic number.

255431342 is a deficient number, since it is larger than the sum of its proper divisors (127791658).

255431342 is a wasteful number, since it uses less digits than its factorization.

255431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25330.

The product of its digits is 14400, while the sum is 29.

The square root of 255431342 is about 15982.2195579963. The cubic root of 255431342 is about 634.4899220789.

Adding to 255431342 its reverse (243134552), we get a palindrome (498565894).

The spelling of 255431342 in words is "two hundred fifty-five million, four hundred thirty-one thousand, three hundred forty-two".