313143131 has 16 divisors (see below), whose sum is σ = 370818240. Its totient is φ = 258733440.

The previous prime is 313143037. The next prime is 313143143. The reversal of 313143131 is 131341313.

It is not a de Polignac number, because 313143131 - 2¹⁰ = 313142107 is a prime.

It is a super-2 number, since 2×313143131² = 196117240984966322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313143191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226061 + ... + 227441.

It is an arithmetic number, because the mean of its divisors is an integer number (23176140).

Almost surely, 2^313143131 is an apocalyptic number.

313143131 is a deficient number, since it is larger than the sum of its proper divisors (57675109).

313143131 is a wasteful number, since it uses less digits than its factorization.

313143131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534.

The product of its digits is 324, while the sum is 20.

The square root of 313143131 is about 17695.8506718383. The cubic root of 313143131 is about 679.0696121232.

Adding to 313143131 its reverse (131341313), we get a palindrome (444484444).

The spelling of 313143131 in words is "three hundred thirteen million, one hundred forty-three thousand, one hundred thirty-one".