31313111102 has 16 divisors (see below), whose sum is σ = 57808820832. Its totient is φ = 12387604320.

The previous prime is 31313111069. The next prime is 31313111111. The reversal of 31313111102 is 20111131313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86024849 + ... + 86025212.

It is an arithmetic number, because the mean of its divisors is an integer number (3613051302).

Almost surely, 2^31313111102 is an apocalyptic number.

31313111102 is a deficient number, since it is larger than the sum of its proper divisors (26495709730).

31313111102 is a wasteful number, since it uses less digits than its factorization.

31313111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172050083.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31313111102 its reverse (20111131313), we get a palindrome (51424242415).

The spelling of 31313111102 in words is "thirty-one billion, three hundred thirteen million, one hundred eleven thousand, one hundred two".