31223414313123 has 32 divisors (see below), whose sum is σ = 42568263714816. Its totient is φ = 20348162300928.

The previous prime is 31223414313067. The next prime is 31223414313139. The reversal of 31223414313123 is 32131341432213.

It is a de Polignac number, because none of the positive numbers 2^k-31223414313123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31223414313173) 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 31 ways as a sum of consecutive naturals, for example, 1111653786 + ... + 1111681872.

It is an arithmetic number, because the mean of its divisors is an integer number (1330258241088).

Almost surely, 2^{31223414313123} is an apocalyptic number.

31223414313123 is a deficient number, since it is larger than the sum of its proper divisors (11344849401693).

31223414313123 is a wasteful number, since it uses less digits than its factorization.

31223414313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37363.

The product of its digits is 31104, while the sum is 33.

Adding to 31223414313123 its reverse (32131341432213), we get a palindrome (63354755745336).

The spelling of 31223414313123 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred fourteen million, three hundred thirteen thousand, one hundred twenty-three".