31322201323 has 16 divisors (see below), whose sum is σ = 36411189696. Its totient is φ = 26389324800.

The previous prime is 31322201311. The next prime is 31322201329. The reversal of 31322201323 is 32310222313.

It is not a de Polignac number, because 31322201323 - 2¹³ = 31322193131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31322201294 and 31322201303.

It is not an unprimeable number, because it can be changed into a prime (31322201329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45123 + ... + 254323.

It is an arithmetic number, because the mean of its divisors is an integer number (2275699356).

Almost surely, 2^31322201323 is an apocalyptic number.

31322201323 is a deficient number, since it is larger than the sum of its proper divisors (5088988373).

31322201323 is a wasteful number, since it uses less digits than its factorization.

31322201323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209574.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31322201323 its reverse (32310222313), we get a palindrome (63632423636).

The spelling of 31322201323 in words is "thirty-one billion, three hundred twenty-two million, two hundred one thousand, three hundred twenty-three".