2303787313 has 2 divisors, whose sum is σ = 2303787314. Its totient is φ = 2303787312.

The previous prime is 2303787287. The next prime is 2303787331. The reversal of 2303787313 is 3137873032.

It is a happy number.

Together with next prime (2303787331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2242211904 + 61575409 = 47352^2 + 7847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2303787313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2303785313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151893656 + 1151893657.

It is an arithmetic number, because the mean of its divisors is an integer number (1151893657).

Almost surely, 2^2303787313 is an apocalyptic number.

It is an amenable number.

2303787313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303787313 is an equidigital number, since it uses as much as digits as its factorization.

2303787313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 2303787313 is about 47997.7844592852. The cubic root of 2303787313 is about 1320.7302572771.

The spelling of 2303787313 in words is "two billion, three hundred three million, seven hundred eighty-seven thousand, three hundred thirteen".