312502434313 has 8 divisors (see below), whose sum is σ = 320597330760. Its totient is φ = 304430056320.

The previous prime is 312502434289. The next prime is 312502434371. The reversal of 312502434313 is 313434205213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30486207609 + 282016226704 = 174603^2 + 531052^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312502434313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312502434113) 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, 5601498 + ... + 5657011.

It is an arithmetic number, because the mean of its divisors is an integer number (40074666345).

Almost surely, 2^312502434313 is an apocalyptic number.

It is an amenable number.

312502434313 is a deficient number, since it is larger than the sum of its proper divisors (8094896447).

312502434313 is a wasteful number, since it uses less digits than its factorization.

312502434313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11259227.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 312502434313 its reverse (313434205213), we get a palindrome (625936639526).

The spelling of 312502434313 in words is "three hundred twelve billion, five hundred two million, four hundred thirty-four thousand, three hundred thirteen".