313115015311 has 4 divisors (see below), whose sum is σ = 357845731792. Its totient is φ = 268384298832.

The previous prime is 313115015249. The next prime is 313115015333. The reversal of 313115015311 is 113510511313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113510511313 = 299029 ⋅379597.

It is a cyclic number.

It is not a de Polignac number, because 313115015311 - 2⁷ = 313115015183 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 (313115013311) 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, 22365358230 + ... + 22365358243.

It is an arithmetic number, because the mean of its divisors is an integer number (89461432948).

Almost surely, 2^313115015311 is an apocalyptic number.

313115015311 is a deficient number, since it is larger than the sum of its proper divisors (44730716481).

313115015311 is an equidigital number, since it uses as much as digits as its factorization.

313115015311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44730716480.

The product of its (nonzero) digits is 675, while the sum is 25.

Adding to 313115015311 its reverse (113510511313), we get a palindrome (426625526624).

The spelling of 313115015311 in words is "three hundred thirteen billion, one hundred fifteen million, fifteen thousand, three hundred eleven".