313212685 has 8 divisors (see below), whose sum is σ = 387979776. Its totient is φ = 242487120.

The previous prime is 313212677. The next prime is 313212703. The reversal of 313212685 is 586212313.

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

It is not a de Polignac number, because 313212685 - 2³ = 313212677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010209 + ... + 1010518.

It is an arithmetic number, because the mean of its divisors is an integer number (48497472).

Almost surely, 2^313212685 is an apocalyptic number.

It is an amenable number.

313212685 is a deficient number, since it is larger than the sum of its proper divisors (74767091).

313212685 is a wasteful number, since it uses less digits than its factorization.

313212685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020763.

The product of its digits is 8640, while the sum is 31.

The square root of 313212685 is about 17697.8158256888. The cubic root of 313212685 is about 679.1198857378.

Adding to 313212685 its reverse (586212313), we get a palindrome (899424998).

The spelling of 313212685 in words is "three hundred thirteen million, two hundred twelve thousand, six hundred eighty-five".