405131303255 has 32 divisors (see below), whose sum is σ = 563286589440. Its totient is φ = 273973415040.

The previous prime is 405131303251. The next prime is 405131303257. The reversal of 405131303255 is 552303131504.

It is not a de Polignac number, because 405131303255 - 2² = 405131303251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405131303251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2341370 + ... + 2508440.

It is an arithmetic number, because the mean of its divisors is an integer number (17602705920).

Almost surely, 2^405131303255 is an apocalyptic number.

405131303255 is a deficient number, since it is larger than the sum of its proper divisors (158155286185).

405131303255 is a wasteful number, since it uses less digits than its factorization.

405131303255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168039.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 405131303255 its reverse (552303131504), we get a palindrome (957434434759).

The spelling of 405131303255 in words is "four hundred five billion, one hundred thirty-one million, three hundred three thousand, two hundred fifty-five".