311011313 has 12 divisors (see below), whose sum is σ = 335363904. Its totient is φ = 287872200.

The previous prime is 311011297. The next prime is 311011321. The reversal of 311011313 is 313110113.

It is a happy number.

It is not a de Polignac number, because 311011313 - 2⁴ = 311011297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311011333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15068 + ... + 29138.

It is an arithmetic number, because the mean of its divisors is an integer number (27946992).

Almost surely, 2^311011313 is an apocalyptic number.

It is an amenable number.

311011313 is a deficient number, since it is larger than the sum of its proper divisors (24352591).

311011313 is a wasteful number, since it uses less digits than its factorization.

311011313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156 (or 14125 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 311011313 is about 17635.5128363198. The cubic root of 311011313 is about 677.5251102924.

Adding to 311011313 its reverse (313110113), we get a palindrome (624121426).

The spelling of 311011313 in words is "three hundred eleven million, eleven thousand, three hundred thirteen".