312641513 has 8 divisors (see below), whose sum is σ = 314770368. Its totient is φ = 310520304.

The previous prime is 312641501. The next prime is 312641533. The reversal of 312641513 is 315146213.

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 312641513 - 2⁶ = 312641449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312641533) 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, 96506 + ... + 99692.

It is an arithmetic number, because the mean of its divisors is an integer number (39346296).

Almost surely, 2^312641513 is an apocalyptic number.

It is an amenable number.

312641513 is a deficient number, since it is larger than the sum of its proper divisors (2128855).

312641513 is a wasteful number, since it uses less digits than its factorization.

312641513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its digits is 2160, while the sum is 26.

The square root of 312641513 is about 17681.6716687083. The cubic root of 312641513 is about 678.7068221253.

Adding to 312641513 its reverse (315146213), we get a palindrome (627787726).

The spelling of 312641513 in words is "three hundred twelve million, six hundred forty-one thousand, five hundred thirteen".