31120122320323 has 4 divisors (see below), whose sum is σ = 31131747322000. Its totient is φ = 31108497318648.

The previous prime is 31120122320317. The next prime is 31120122320333. The reversal of 31120122320323 is 32302322102113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31120122320323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31120122320333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5812496823 + ... + 5812502176.

It is an arithmetic number, because the mean of its divisors is an integer number (7782936830500).

Almost surely, 2^{31120122320323} is an apocalyptic number.

31120122320323 is a deficient number, since it is larger than the sum of its proper divisors (11625001677).

31120122320323 is a wasteful number, since it uses less digits than its factorization.

31120122320323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625001676.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31120122320323 its reverse (32302322102113), we get a palindrome (63422444422436).

The spelling of 31120122320323 in words is "thirty-one trillion, one hundred twenty billion, one hundred twenty-two million, three hundred twenty thousand, three hundred twenty-three".