313115135311 has 12 divisors (see below), whose sum is σ = 344185628976. Its totient is φ = 284635440320.

The previous prime is 313115135293. The next prime is 313115135329. The reversal of 313115135311 is 113531511313.

It is an interprime number because it is at equal distance from previous prime (313115135293) and next prime (313115135329).

It is not a de Polignac number, because 313115135311 - 2²¹ = 313113038159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313115135311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313115135381) 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, 2793006 + ... + 2902948.

It is an arithmetic number, because the mean of its divisors is an integer number (28682135748).

Almost surely, 2^313115135311 is an apocalyptic number.

313115135311 is a deficient number, since it is larger than the sum of its proper divisors (31070493665).

313115135311 is a wasteful number, since it uses less digits than its factorization.

313115135311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133502 (or 133491 counting only the distinct ones).

The product of its digits is 2025, while the sum is 28.

Adding to 313115135311 its reverse (113531511313), we get a palindrome (426646646624).

The spelling of 313115135311 in words is "three hundred thirteen billion, one hundred fifteen million, one hundred thirty-five thousand, three hundred eleven".