31233312102 has 16 divisors (see below), whose sum is σ = 62468437680. Its totient is φ = 10410801792.

The previous prime is 31233312073. The next prime is 31233312113. The reversal of 31233312102 is 20121333213.

It is a congruent 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, 269674 + ... + 367682.

It is an arithmetic number, because the mean of its divisors is an integer number (3904277355).

Almost surely, 2^31233312102 is an apocalyptic number.

31233312102 is an abundant number, since it is smaller than the sum of its proper divisors (31235125578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31233312102 is a wasteful number, since it uses less digits than its factorization.

31233312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151127.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31233312102 its reverse (20121333213), we get a palindrome (51354645315).

The spelling of 31233312102 in words is "thirty-one billion, two hundred thirty-three million, three hundred twelve thousand, one hundred two".