31322232323121 has 4 divisors (see below), whose sum is σ = 41762976430832. Its totient is φ = 20881488215412.

The previous prime is 31322232323069. The next prime is 31322232323131. The reversal of 31322232323121 is 12132323222313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31322232323121 - 2¹¹ = 31322232321073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322232323131) 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, 5220372053851 + ... + 5220372053856.

It is an arithmetic number, because the mean of its divisors is an integer number (10440744107708).

Almost surely, 2^{31322232323121} is an apocalyptic number.

It is an amenable number.

31322232323121 is a deficient number, since it is larger than the sum of its proper divisors (10440744107711).

31322232323121 is a wasteful number, since it uses less digits than its factorization.

31322232323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440744107710.

The product of its digits is 15552, while the sum is 30.

Adding to 31322232323121 its reverse (12132323222313), we get a palindrome (43454555545434).

The spelling of 31322232323121 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred thirty-two million, three hundred twenty-three thousand, one hundred twenty-one".