31323406522322 has 32 divisors (see below), whose sum is σ = 48668683952640. Its totient is φ = 15104094675840.

The previous prime is 31323406522283. The next prime is 31323406522351. The reversal of 31323406522322 is 22322560432313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21596504 + ... + 23001212.

It is an arithmetic number, because the mean of its divisors is an integer number (1520896373520).

Almost surely, 2^{31323406522322} is an apocalyptic number.

31323406522322 is a deficient number, since it is larger than the sum of its proper divisors (17345277430318).

31323406522322 is a wasteful number, since it uses less digits than its factorization.

31323406522322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405986.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 31323406522322 its reverse (22322560432313), we get a palindrome (53645966954635).

The spelling of 31323406522322 in words is "thirty-one trillion, three hundred twenty-three billion, four hundred six million, five hundred twenty-two thousand, three hundred twenty-two".