313230549 has 4 divisors (see below), whose sum is σ = 417640736. Its totient is φ = 208820364.

The previous prime is 313230527. The next prime is 313230569. The reversal of 313230549 is 945032313.

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 not a de Polignac number, because 313230549 - 2¹¹ = 313228501 is a prime.

It is a super-2 number, since 2×313230549² = 196226753653682802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313230509) 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, 52205089 + ... + 52205094.

It is an arithmetic number, because the mean of its divisors is an integer number (104410184).

Almost surely, 2^313230549 is an apocalyptic number.

It is an amenable number.

313230549 is a deficient number, since it is larger than the sum of its proper divisors (104410187).

313230549 is a wasteful number, since it uses less digits than its factorization.

313230549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104410186.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 313230549 is about 17698.3205135403. The cubic root of 313230549 is about 679.1327966314.

The spelling of 313230549 in words is "three hundred thirteen million, two hundred thirty thousand, five hundred forty-nine".