313861243 has 8 divisors (see below), whose sum is σ = 328487328. Its totient is φ = 299316864.

The previous prime is 313861241. The next prime is 313861279. The reversal of 313861243 is 342168313.

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 313861243 - 2¹ = 313861241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313861241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12496 + ... + 27997.

It is an arithmetic number, because the mean of its divisors is an integer number (41060916).

Almost surely, 2^313861243 is an apocalyptic number.

313861243 is a deficient number, since it is larger than the sum of its proper divisors (14626085).

313861243 is a wasteful number, since it uses less digits than its factorization.

313861243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40853.

The product of its digits is 10368, while the sum is 31.

The square root of 313861243 is about 17716.1294587729. The cubic root of 313861243 is about 679.5883054392.

The spelling of 313861243 in words is "three hundred thirteen million, eight hundred sixty-one thousand, two hundred forty-three".