1202310313 has 2 divisors, whose sum is σ = 1202310314. Its totient is φ = 1202310312.

The previous prime is 1202310299. The next prime is 1202310323. The reversal of 1202310313 is 3130132021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134544489 + 67765824 = 33683^2 + 8232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202310313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202310323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601155156 + 601155157.

It is an arithmetic number, because the mean of its divisors is an integer number (601155157).

Almost surely, 2^1202310313 is an apocalyptic number.

It is an amenable number.

1202310313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202310313 is an equidigital number, since it uses as much as digits as its factorization.

1202310313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1202310313 is about 34674.3466124453. The cubic root of 1202310313 is about 1063.3400969708.

Adding to 1202310313 its reverse (3130132021), we get a palindrome (4332442334).

The spelling of 1202310313 in words is "one billion, two hundred two million, three hundred ten thousand, three hundred thirteen".