311234424313 has 4 divisors (see below), whose sum is σ = 311239305828. Its totient is φ = 311229542800.

The previous prime is 311234424299. The next prime is 311234424329. The reversal of 311234424313 is 313424432113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166144281664 + 145090142649 = 407608^2 + 380907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311234424313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311234424343) 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, 2343838 + ... + 2473063.

It is an arithmetic number, because the mean of its divisors is an integer number (77809826457).

Almost surely, 2^311234424313 is an apocalyptic number.

It is an amenable number.

311234424313 is a deficient number, since it is larger than the sum of its proper divisors (4881515).

311234424313 is an equidigital number, since it uses as much as digits as its factorization.

311234424313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881514.

The product of its digits is 20736, while the sum is 31.

Adding to 311234424313 its reverse (313424432113), we get a palindrome (624658856426).

The spelling of 311234424313 in words is "three hundred eleven billion, two hundred thirty-four million, four hundred twenty-four thousand, three hundred thirteen".