255430404345331 has 8 divisors (see below), whose sum is σ = 259759986163200. Its totient is φ = 251100830958600.

The previous prime is 255430404345323. The next prime is 255430404345461. The reversal of 255430404345331 is 133543404034552.

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 255430404345331 - 2³ = 255430404345323 is a prime.

It is a super-2 number, since 2×255430404345331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255430404342331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103275730 + ... + 105720088.

It is an arithmetic number, because the mean of its divisors is an integer number (32469998270400).

Almost surely, 2^{255430404345331} is an apocalyptic number.

255430404345331 is a deficient number, since it is larger than the sum of its proper divisors (4329581817869).

255430404345331 is a wasteful number, since it uses less digits than its factorization.

255430404345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215569.

The product of its (nonzero) digits is 5184000, while the sum is 46.

Adding to 255430404345331 its reverse (133543404034552), we get a palindrome (388973808379883).

The spelling of 255430404345331 in words is "two hundred fifty-five trillion, four hundred thirty billion, four hundred four million, three hundred forty-five thousand, three hundred thirty-one".