2311379249 has 2 divisors, whose sum is σ = 2311379250. Its totient is φ = 2311379248.

The previous prime is 2311379183. The next prime is 2311379267. The reversal of 2311379249 is 9429731132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974913600 + 336465649 = 44440^2 + 18343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311379249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311370249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155689624 + 1155689625.

It is an arithmetic number, because the mean of its divisors is an integer number (1155689625).

Almost surely, 2^2311379249 is an apocalyptic number.

It is an amenable number.

2311379249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311379249 is an equidigital number, since it uses as much as digits as its factorization.

2311379249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 2311379249 is about 48076.8057279183. The cubic root of 2311379249 is about 1322.1794514489.

The spelling of 2311379249 in words is "two billion, three hundred eleven million, three hundred seventy-nine thousand, two hundred forty-nine".