2311031102203 has 2 divisors, whose sum is σ = 2311031102204. Its totient is φ = 2311031102202.

The previous prime is 2311031102141. The next prime is 2311031102239. The reversal of 2311031102203 is 3022011301132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311031102203 is a prime.

It is a super-2 number, since 2×2311031102203² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2311031102273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155515551101 + 1155515551102.

It is an arithmetic number, because the mean of its divisors is an integer number (1155515551102).

Almost surely, 2^{2311031102203} is an apocalyptic number.

2311031102203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311031102203 is an equidigital number, since it uses as much as digits as its factorization.

2311031102203 is an evil number, because the sum of its binary digits is even.

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

Adding to 2311031102203 its reverse (3022011301132), we get a palindrome (5333042403335).

The spelling of 2311031102203 in words is "two trillion, three hundred eleven billion, thirty-one million, one hundred two thousand, two hundred three".