310949 has 2 divisors, whose sum is σ = 310950. Its totient is φ = 310948.

The previous prime is 310931. The next prime is 310969. The reversal of 310949 is 949013.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297025 + 13924 = 545^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 310949 - 2⁸ = 310693 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 310949.

It is not a weakly prime, because it can be changed into another prime (310969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155474 + 155475.

It is an arithmetic number, because the mean of its divisors is an integer number (155475).

2³¹⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

310949 is a deficient number, since it is larger than the sum of its proper divisors (1).

310949 is an equidigital number, since it uses as much as digits as its factorization.

310949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 310949 is about 557.6280122089. The cubic root of 310949 is about 67.7479858517.

The spelling of 310949 in words is "three hundred ten thousand, nine hundred forty-nine".