313225691 has 8 divisors (see below), whose sum is σ = 321148800. Its totient is φ = 305316160.

The previous prime is 313225681. The next prime is 313225709. The reversal of 313225691 is 196522313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313225691 - 2¹⁴ = 313209307 is a prime.

It is a super-2 number, since 2×313225691² = 196220667004854962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313225651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56345 + ... + 61653.

It is an arithmetic number, because the mean of its divisors is an integer number (40143600).

Almost surely, 2^313225691 is an apocalyptic number.

313225691 is a deficient number, since it is larger than the sum of its proper divisors (7923109).

313225691 is a wasteful number, since it uses less digits than its factorization.

313225691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789.

The product of its digits is 9720, while the sum is 32.

The square root of 313225691 is about 17698.1832683471. The cubic root of 313225691 is about 679.1292856455.

The spelling of 313225691 in words is "three hundred thirteen million, two hundred twenty-five thousand, six hundred ninety-one".