20103031112330 has 64 divisors (see below), whose sum is σ = 38120065983360. Its totient is φ = 7611970938624.

The previous prime is 20103031112251. The next prime is 20103031112377. The reversal of 20103031112330 is 3321113030102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1616382872 + ... + 1616395308.

It is an arithmetic number, because the mean of its divisors is an integer number (595626030990).

Almost surely, 2^{20103031112330} is an apocalyptic number.

20103031112330 is a deficient number, since it is larger than the sum of its proper divisors (18017034871030).

20103031112330 is a wasteful number, since it uses less digits than its factorization.

20103031112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18503.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20103031112330 its reverse (3321113030102), we get a palindrome (23424144142432).

The spelling of 20103031112330 in words is "twenty trillion, one hundred three billion, thirty-one million, one hundred twelve thousand, three hundred thirty".