2115131203 has 2 divisors, whose sum is σ = 2115131204. Its totient is φ = 2115131202.

The previous prime is 2115131173. The next prime is 2115131237. The reversal of 2115131203 is 3021315112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2115131203 - 2⁹ = 2115130691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2115131003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057565601 + 1057565602.

It is an arithmetic number, because the mean of its divisors is an integer number (1057565602).

Almost surely, 2^2115131203 is an apocalyptic number.

2115131203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115131203 is an equidigital number, since it uses as much as digits as its factorization.

2115131203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2115131203 is about 45990.5555848155. Note that the first 4 decimals coincide. The cubic root of 2115131203 is about 1283.6474745368.

Adding to 2115131203 its reverse (3021315112), we get a palindrome (5136446315).

The spelling of 2115131203 in words is "two billion, one hundred fifteen million, one hundred thirty-one thousand, two hundred three".