311010313 has 2 divisors, whose sum is σ = 311010314. Its totient is φ = 311010312.

The previous prime is 311010289. The next prime is 311010319. The reversal of 311010313 is 313010113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255104784 + 55905529 = 15972^2 + 7477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311010313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311010293 and 311010302.

It is not a weakly prime, because it can be changed into another prime (311010319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155505156 + 155505157.

It is an arithmetic number, because the mean of its divisors is an integer number (155505157).

Almost surely, 2^311010313 is an apocalyptic number.

It is an amenable number.

311010313 is a deficient number, since it is larger than the sum of its proper divisors (1).

311010313 is an equidigital number, since it uses as much as digits as its factorization.

311010313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 311010313 is about 17635.4844844138. The cubic root of 311010313 is about 677.5243841389.

Adding to 311010313 its reverse (313010113), we get a palindrome (624020426).

The spelling of 311010313 in words is "three hundred eleven million, ten thousand, three hundred thirteen".