313115140340331 has 32 divisors (see below), whose sum is σ = 493582757775360. Its totient is φ = 172752396534144.

The previous prime is 313115140340287. The next prime is 313115140340437. The reversal of 313115140340331 is 133043041511313.

It is not a de Polignac number, because 313115140340331 - 2¹⁰ = 313115140339307 is a prime.

It is a super-2 number, since 2×313115140340331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313115140340292 and 313115140340301.

It is not an unprimeable number, because it can be changed into a prime (313115140340231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148905741 + ... + 150993873.

It is an arithmetic number, because the mean of its divisors is an integer number (15424461180480).

Almost surely, 2^{313115140340331} is an apocalyptic number.

313115140340331 is a deficient number, since it is larger than the sum of its proper divisors (180467617435029).

313115140340331 is a wasteful number, since it uses less digits than its factorization.

313115140340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334395.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 313115140340331 its reverse (133043041511313), we get a palindrome (446158181851644).

The spelling of 313115140340331 in words is "three hundred thirteen trillion, one hundred fifteen billion, one hundred forty million, three hundred forty thousand, three hundred thirty-one".