20113031023102 has 16 divisors (see below), whose sum is σ = 30875388580080. Its totient is φ = 9821298840192.

The previous prime is 20113031023093. The next prime is 20113031023147. The reversal of 20113031023102 is 20132013031102.

It is a self number, because there is not a number n which added to its sum of digits gives 20113031023102.

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, 15370363 + ... + 16627510.

It is an arithmetic number, because the mean of its divisors is an integer number (1929711786255).

Almost surely, 2^{20113031023102} is an apocalyptic number.

20113031023102 is a deficient number, since it is larger than the sum of its proper divisors (10762357556978).

20113031023102 is a wasteful number, since it uses less digits than its factorization.

20113031023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32005227.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20113031023102 its reverse (20132013031102), we get a palindrome (40245044054204).

The spelling of 20113031023102 in words is "twenty trillion, one hundred thirteen billion, thirty-one million, twenty-three thousand, one hundred two".