3131313233122 has 64 divisors (see below), whose sum is σ = 5463384318720. Its totient is φ = 1335121311744.

The previous prime is 3131313233101. The next prime is 3131313233123. The reversal of 3131313233122 is 2213323131313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3131313233123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 183829518 + ... + 183846550.

It is an arithmetic number, because the mean of its divisors is an integer number (85365379980).

Almost surely, 2^{3131313233122} is an apocalyptic number.

3131313233122 is a deficient number, since it is larger than the sum of its proper divisors (2332071085598).

3131313233122 is a wasteful number, since it uses less digits than its factorization.

3131313233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29467.

The product of its digits is 5832, while the sum is 28.

Adding to 3131313233122 its reverse (2213323131313), we get a palindrome (5344636364435).

The spelling of 3131313233122 in words is "three trillion, one hundred thirty-one billion, three hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-two".