313222043 has 2 divisors, whose sum is σ = 313222044. Its totient is φ = 313222042.

The previous prime is 313222033. The next prime is 313222081. The reversal of 313222043 is 340222313.

It is a weak prime.

It is an emirp because it is prime and its reverse (340222313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313222043 - 2²² = 309027739 is a prime.

It is not a weakly prime, because it can be changed into another prime (313222003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156611021 + 156611022.

It is an arithmetic number, because the mean of its divisors is an integer number (156611022).

Almost surely, 2^313222043 is an apocalyptic number.

313222043 is a deficient number, since it is larger than the sum of its proper divisors (1).

313222043 is an equidigital number, since it uses as much as digits as its factorization.

313222043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 313222043 is about 17698.0802066213. The cubic root of 313222043 is about 679.1266491299.

Adding to 313222043 its reverse (340222313), we get a palindrome (653444356).

The spelling of 313222043 in words is "three hundred thirteen million, two hundred twenty-two thousand, forty-three".