31322113123 has 8 divisors (see below), whose sum is σ = 35798049792. Its totient is φ = 26846513736.

The previous prime is 31322113037. The next prime is 31322113153. The reversal of 31322113123 is 32131122313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31322113123 - 2¹⁷ = 31321982051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31322113094 and 31322113103.

It is not an unprimeable number, because it can be changed into a prime (31322113153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 163086 + ... + 298732.

It is an arithmetic number, because the mean of its divisors is an integer number (4474756224).

Almost surely, 2^31322113123 is an apocalyptic number.

31322113123 is a deficient number, since it is larger than the sum of its proper divisors (4475936669).

31322113123 is a wasteful number, since it uses less digits than its factorization.

31322113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168641.

The product of its digits is 648, while the sum is 22.

Adding to 31322113123 its reverse (32131122313), we get a palindrome (63453235436).

The spelling of 31322113123 in words is "thirty-one billion, three hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-three".