313012243 has 2 divisors, whose sum is σ = 313012244. Its totient is φ = 313012242.

The previous prime is 313012229. The next prime is 313012253. The reversal of 313012243 is 342210313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313012243 - 2²⁵ = 279457811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313012243.

It is not a weakly prime, because it can be changed into another prime (313012253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506121 + 156506122.

It is an arithmetic number, because the mean of its divisors is an integer number (156506122).

Almost surely, 2^313012243 is an apocalyptic number.

313012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

313012243 is an equidigital number, since it uses as much as digits as its factorization.

313012243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313012243 is about 17692.1520172081. The cubic root of 313012243 is about 678.9749861187.

Adding to 313012243 its reverse (342210313), we get a palindrome (655222556).

The spelling of 313012243 in words is "three hundred thirteen million, twelve thousand, two hundred forty-three".