313230381 has 4 divisors (see below), whose sum is σ = 417640512. Its totient is φ = 208820252.

The previous prime is 313230367. The next prime is 313230397. The reversal of 313230381 is 183032313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313230381 - 2⁵ = 313230349 is a prime.

It is a super-2 number, since 2×313230381² = 196226543162810322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313230311) 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 3 ways as a sum of consecutive naturals, for example, 52205061 + ... + 52205066.

It is an arithmetic number, because the mean of its divisors is an integer number (104410128).

Almost surely, 2^313230381 is an apocalyptic number.

It is an amenable number.

313230381 is a deficient number, since it is larger than the sum of its proper divisors (104410131).

313230381 is a wasteful number, since it uses less digits than its factorization.

313230381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104410130.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 313230381 is about 17698.3157673266. The cubic root of 313230381 is about 679.1326752147.

Adding to 313230381 its reverse (183032313), we get a palindrome (496262694).

The spelling of 313230381 in words is "three hundred thirteen million, two hundred thirty thousand, three hundred eighty-one".