313303131 has 6 divisors (see below), whose sum is σ = 452548980. Its totient is φ = 208868748.

The previous prime is 313303121. The next prime is 313303147. The reversal of 313303131 is 131303313.

It is not a de Polignac number, because 313303131 - 2¹⁰ = 313302107 is a prime.

It is a super-2 number, since 2×313303131² = 196317703788806322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313303121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17405721 + ... + 17405738.

It is an arithmetic number, because the mean of its divisors is an integer number (75424830).

Almost surely, 2^313303131 is an apocalyptic number.

313303131 is a deficient number, since it is larger than the sum of its proper divisors (139245849).

313303131 is a wasteful number, since it uses less digits than its factorization.

313303131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34811465 (or 34811462 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 313303131 is about 17700.3709283167. The cubic root of 313303131 is about 679.1852489544.

Adding to 313303131 its reverse (131303313), we get a palindrome (444606444).

The spelling of 313303131 in words is "three hundred thirteen million, three hundred three thousand, one hundred thirty-one".