313040311 has 4 divisors (see below), whose sum is σ = 313969552. Its totient is φ = 312111072.

The previous prime is 313040293. The next prime is 313040339. The reversal of 313040311 is 113040313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113040313 = 2389 ⋅47317.

It is a cyclic number.

It is not a de Polignac number, because 313040311 - 2⁷ = 313040183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313040341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464115 + ... + 464788.

It is an arithmetic number, because the mean of its divisors is an integer number (78492388).

Almost surely, 2^313040311 is an apocalyptic number.

313040311 is a deficient number, since it is larger than the sum of its proper divisors (929241).

313040311 is an equidigital number, since it uses as much as digits as its factorization.

313040311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929240.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 313040311 is about 17692.9452324931. The cubic root of 313040311 is about 678.9952802134.

Adding to 313040311 its reverse (113040313), we get a palindrome (426080624).

The spelling of 313040311 in words is "three hundred thirteen million, forty thousand, three hundred eleven".