313230497 has 4 divisors (see below), whose sum is σ = 317195520. Its totient is φ = 309265476.

The previous prime is 313230473. The next prime is 313230499. The reversal of 313230497 is 794032313.

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 313230497 - 2⁶ = 313230433 is a prime.

It is a super-2 number, since 2×313230497² = 196226688501734018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313230499) 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, 1982393 + ... + 1982550.

It is an arithmetic number, because the mean of its divisors is an integer number (79298880).

Almost surely, 2^313230497 is an apocalyptic number.

It is an amenable number.

313230497 is a deficient number, since it is larger than the sum of its proper divisors (3965023).

313230497 is an equidigital number, since it uses as much as digits as its factorization.

313230497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965022.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 313230497 is about 17698.3190444743. The cubic root of 313230497 is about 679.1327590501.

The spelling of 313230497 in words is "three hundred thirteen million, two hundred thirty thousand, four hundred ninety-seven".