20112313111003 has 2 divisors, whose sum is σ = 20112313111004. Its totient is φ = 20112313111002.

The previous prime is 20112313110997. The next prime is 20112313111031. The reversal of 20112313111003 is 30011131321102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112313111003 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112313111063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056156555501 + 10056156555502.

It is an arithmetic number, because the mean of its divisors is an integer number (10056156555502).

Almost surely, 2^{20112313111003} is an apocalyptic number.

20112313111003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112313111003 is an equidigital number, since it uses as much as digits as its factorization.

20112313111003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20112313111003 its reverse (30011131321102), we get a palindrome (50123444432105).

The spelling of 20112313111003 in words is "twenty trillion, one hundred twelve billion, three hundred thirteen million, one hundred eleven thousand, three".