31103313102122 has 16 divisors (see below), whose sum is σ = 49399664296320. Its totient is φ = 14636768879808.

The previous prime is 31103313102107. The next prime is 31103313102131. The reversal of 31103313102122 is 22120131330113.

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, 3562463 + ... + 8654349.

It is an arithmetic number, because the mean of its divisors is an integer number (3087479018520).

Almost surely, 2^{31103313102122} is an apocalyptic number.

31103313102122 is a deficient number, since it is larger than the sum of its proper divisors (18296351194198).

31103313102122 is a wasteful number, since it uses less digits than its factorization.

31103313102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271565.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31103313102122 its reverse (22120131330113), we get a palindrome (53223444432235).

The spelling of 31103313102122 in words is "thirty-one trillion, one hundred three billion, three hundred thirteen million, one hundred two thousand, one hundred twenty-two".