31233312131102 has 4 divisors (see below), whose sum is σ = 46849968196656. Its totient is φ = 15616656065550.

The previous prime is 31233312131093. The next prime is 31233312131117. The reversal of 31233312131102 is 20113121333213.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7808328032774 + ... + 7808328032777.

It is an arithmetic number, because the mean of its divisors is an integer number (11712492049164).

Almost surely, 2^{31233312131102} is an apocalyptic number.

31233312131102 is a deficient number, since it is larger than the sum of its proper divisors (15616656065554).

31233312131102 is a wasteful number, since it uses less digits than its factorization.

31233312131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15616656065553.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31233312131102 its reverse (20113121333213), we get a palindrome (51346433464315).

The spelling of 31233312131102 in words is "thirty-one trillion, two hundred thirty-three billion, three hundred twelve million, one hundred thirty-one thousand, one hundred two".