43313274315513 has 10 divisors (see below), whose sum is σ = 64702545582554. Its totient is φ = 28875516210288.

The previous prime is 43313274315511. The next prime is 43313274315593. The reversal of 43313274315513 is 31551347231334.

43313274315513 is a `hidden beast` number, since 4 + 3 + 3 + 1 + 32 + 74 + 31 + 5 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37880048974329 + 5433225341184 = 6154677^2 + 2330928^2 .

It is not a de Polignac number, because 43313274315513 - 2¹ = 43313274315511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43313274315511) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 267365890756 + ... + 267365890917.

Almost surely, 2^{43313274315513} is an apocalyptic number.

It is an amenable number.

43313274315513 is a deficient number, since it is larger than the sum of its proper divisors (21389271267041).

43313274315513 is an equidigital number, since it uses as much as digits as its factorization.

43313274315513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534731781685 (or 534731781676 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The spelling of 43313274315513 in words is "forty-three trillion, three hundred thirteen billion, two hundred seventy-four million, three hundred fifteen thousand, five hundred thirteen".