2311649903 has 2 divisors, whose sum is σ = 2311649904. Its totient is φ = 2311649902.

The previous prime is 2311649831. The next prime is 2311649911. The reversal of 2311649903 is 3099461132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311649903 - 2¹² = 2311645807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311649993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155824951 + 1155824952.

It is an arithmetic number, because the mean of its divisors is an integer number (1155824952).

Almost surely, 2^2311649903 is an apocalyptic number.

2311649903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311649903 is an equidigital number, since it uses as much as digits as its factorization.

2311649903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 2311649903 is about 48079.6204539928. The cubic root of 2311649903 is about 1322.2310568832.

The spelling of 2311649903 in words is "two billion, three hundred eleven million, six hundred forty-nine thousand, nine hundred three".