31130152132255 has 32 divisors (see below), whose sum is σ = 40798178703360. Its totient is φ = 22614572830080.

The previous prime is 31130152132241. The next prime is 31130152132379. The reversal of 31130152132255 is 55223125103113.

It is not a de Polignac number, because 31130152132255 - 2²⁹ = 31129615261343 is a prime.

It is a super-2 number, since 2×31130152132255² (a number of 28 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 31130152132255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439165906 + ... + 439236784.

It is an arithmetic number, because the mean of its divisors is an integer number (1274943084480).

Almost surely, 2^{31130152132255} is an apocalyptic number.

31130152132255 is a deficient number, since it is larger than the sum of its proper divisors (9668026571105).

31130152132255 is a wasteful number, since it uses less digits than its factorization.

31130152132255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79791.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 31130152132255 its reverse (55223125103113), we get a palindrome (86353277235368).

The spelling of 31130152132255 in words is "thirty-one trillion, one hundred thirty billion, one hundred fifty-two million, one hundred thirty-two thousand, two hundred fifty-five".