31153112355 has 32 divisors (see below), whose sum is σ = 51021653760. Its totient is φ = 16223034240.

The previous prime is 31153112339. The next prime is 31153112363. The reversal of 31153112355 is 55321135113.

It is not a de Polignac number, because 31153112355 - 2⁴ = 31153112339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2431065 + ... + 2443845.

It is an arithmetic number, because the mean of its divisors is an integer number (1594426680).

Almost surely, 2^31153112355 is an apocalyptic number.

31153112355 is a deficient number, since it is larger than the sum of its proper divisors (19868541405).

31153112355 is a wasteful number, since it uses less digits than its factorization.

31153112355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16611.

The product of its digits is 6750, while the sum is 30.

Adding to 31153112355 its reverse (55321135113), we get a palindrome (86474247468).

The spelling of 31153112355 in words is "thirty-one billion, one hundred fifty-three million, one hundred twelve thousand, three hundred fifty-five".