311352203 has 2 divisors, whose sum is σ = 311352204. Its totient is φ = 311352202.

The previous prime is 311352199. The next prime is 311352241. The reversal of 311352203 is 302253113.

It is a weak prime.

It is an emirp because it is prime and its reverse (302253113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311352203 - 2² = 311352199 is a prime.

It is not a weakly prime, because it can be changed into another prime (311352103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155676101 + 155676102.

It is an arithmetic number, because the mean of its divisors is an integer number (155676102).

Almost surely, 2^311352203 is an apocalyptic number.

311352203 is a deficient number, since it is larger than the sum of its proper divisors (1).

311352203 is an equidigital number, since it uses as much as digits as its factorization.

311352203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 311352203 is about 17645.1750628890. The cubic root of 311352203 is about 677.7725581003.

The spelling of 311352203 in words is "three hundred eleven million, three hundred fifty-two thousand, two hundred three".