313032131 has 4 divisors (see below), whose sum is σ = 320311992. Its totient is φ = 305752272.

The previous prime is 313032077. The next prime is 313032133. The reversal of 313032131 is 131230313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131230313 = 661 ⋅198533.

It is a cyclic number.

It is not a de Polignac number, because 313032131 - 2¹⁰ = 313031107 is a prime.

It is a super-2 number, since 2×313032131² = 195978230076802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313032133) 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, 3639866 + ... + 3639951.

It is an arithmetic number, because the mean of its divisors is an integer number (80077998).

Almost surely, 2^313032131 is an apocalyptic number.

313032131 is a deficient number, since it is larger than the sum of its proper divisors (7279861).

313032131 is an equidigital number, since it uses as much as digits as its factorization.

313032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279860.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 313032131 is about 17692.7140653999. The cubic root of 313032131 is about 678.9893659274.

Adding to 313032131 its reverse (131230313), we get a palindrome (444262444).

The spelling of 313032131 in words is "three hundred thirteen million, thirty-two thousand, one hundred thirty-one".