313240101311 has 4 divisors (see below), whose sum is σ = 320880103824. Its totient is φ = 305600098800.

The previous prime is 313240101301. The next prime is 313240101347. The reversal of 313240101311 is 113101042313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313240101311 is a prime.

It is a super-2 number, since 2×313240101311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313240101301) 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, 3820001195 + ... + 3820001276.

It is an arithmetic number, because the mean of its divisors is an integer number (80220025956).

Almost surely, 2^313240101311 is an apocalyptic number.

313240101311 is a deficient number, since it is larger than the sum of its proper divisors (7640002513).

313240101311 is an equidigital number, since it uses as much as digits as its factorization.

313240101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640002512.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313240101311 its reverse (113101042313), we get a palindrome (426341143624).

The spelling of 313240101311 in words is "three hundred thirteen billion, two hundred forty million, one hundred one thousand, three hundred eleven".