2315891003 has 2 divisors, whose sum is σ = 2315891004. Its totient is φ = 2315891002.

The previous prime is 2315890931. The next prime is 2315891009. The reversal of 2315891003 is 3001985132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2315891003 - 2²⁶ = 2248782139 is a prime.

It is a super-2 number, since 2×2315891003² = 10726702275552692018, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2315891009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157945501 + 1157945502.

It is an arithmetic number, because the mean of its divisors is an integer number (1157945502).

Almost surely, 2^2315891003 is an apocalyptic number.

2315891003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315891003 is an equidigital number, since it uses as much as digits as its factorization.

2315891003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 2315891003 is about 48123.7052085560. The cubic root of 2315891003 is about 1323.0391792833.

The spelling of 2315891003 in words is "two billion, three hundred fifteen million, eight hundred ninety-one thousand, three".