312343013 has 16 divisors (see below), whose sum is σ = 334899840. Its totient is φ = 290594304.

The previous prime is 312342973. The next prime is 312343019. The reversal of 312343013 is 310343213.

It is a cyclic number.

It is not a de Polignac number, because 312343013 - 2⁸ = 312342757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343019) 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, 309053 + ... + 310061.

It is an arithmetic number, because the mean of its divisors is an integer number (20931240).

Almost surely, 2^312343013 is an apocalyptic number.

It is an amenable number.

312343013 is a deficient number, since it is larger than the sum of its proper divisors (22556827).

312343013 is a wasteful number, since it uses less digits than its factorization.

312343013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 312343013 is about 17673.2287089824. The cubic root of 312343013 is about 678.4907509075.

Adding to 312343013 its reverse (310343213), we get a palindrome (622686226).

The spelling of 312343013 in words is "three hundred twelve million, three hundred forty-three thousand, thirteen".