31233220311322 has 16 divisors (see below), whose sum is σ = 47289694015872. Its totient is φ = 15470001409120.

The previous prime is 31233220311313. The next prime is 31233220311341. The reversal of 31233220311322 is 22311302233213.

It is a happy number.

It is an unprimeable number.

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, 1944783 + ... + 8139325.

It is an arithmetic number, because the mean of its divisors is an integer number (2955605875992).

Almost surely, 2^{31233220311322} is an apocalyptic number.

31233220311322 is a deficient number, since it is larger than the sum of its proper divisors (16056473704550).

31233220311322 is a wasteful number, since it uses less digits than its factorization.

31233220311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218213.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31233220311322 its reverse (22311302233213), we get a palindrome (53544522544535).

The spelling of 31233220311322 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred twenty million, three hundred eleven thousand, three hundred twenty-two".