313042686 has 32 divisors (see below), whose sum is σ = 685507968. Its totient is φ = 94513440.

The previous prime is 313042679. The next prime is 313042687. The reversal of 313042686 is 686240313.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313042687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9721 + ... + 26843.

It is an arithmetic number, because the mean of its divisors is an integer number (21422124).

Almost surely, 2^313042686 is an apocalyptic number.

313042686 is an abundant number, since it is smaller than the sum of its proper divisors (372465282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313042686 is a wasteful number, since it uses less digits than its factorization.

313042686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17416.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 313042686 is about 17693.0123495124. The cubic root of 313042686 is about 678.9969973615.

Adding to 313042686 its reverse (686240313), we get a palindrome (999282999).

The spelling of 313042686 in words is "three hundred thirteen million, forty-two thousand, six hundred eighty-six".