31233434122 has 16 divisors (see below), whose sum is σ = 51615291744. Its totient is φ = 14056450000.

The previous prime is 31233434117. The next prime is 31233434129. The reversal of 31233434122 is 22143433213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31233434129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7026004 + ... + 7030447.

It is an arithmetic number, because the mean of its divisors is an integer number (3225955734).

Almost surely, 2^31233434122 is an apocalyptic number.

31233434122 is a deficient number, since it is larger than the sum of its proper divisors (20381857622).

31233434122 is a wasteful number, since it uses less digits than its factorization.

31233434122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14056565.

The product of its digits is 10368, while the sum is 28.

Adding to 31233434122 its reverse (22143433213), we get a palindrome (53376867335).

Subtracting from 31233434122 its reverse (22143433213), we obtain a palindrome (9090000909).

The spelling of 31233434122 in words is "thirty-one billion, two hundred thirty-three million, four hundred thirty-four thousand, one hundred twenty-two".