41312661313 has 18 divisors (see below), whose sum is σ = 52823634738. Its totient is φ = 32191679520.

The previous prime is 41312661311. The next prime is 41312661317. The reversal of 41312661313 is 31316621314.

It can be written as a sum of positive squares in only one way, i.e., 36937764864 + 4374896449 = 192192^2 + 66143^2 .

It is not a de Polignac number, because 41312661313 - 2¹ = 41312661311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41312661311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3478020 + ... + 3489877.

Almost surely, 2^41312661313 is an apocalyptic number.

It is an amenable number.

41312661313 is a deficient number, since it is larger than the sum of its proper divisors (11510973425).

41312661313 is a wasteful number, since it uses less digits than its factorization.

41312661313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6967933 (or 6967915 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The spelling of 41312661313 in words is "forty-one billion, three hundred twelve million, six hundred sixty-one thousand, three hundred thirteen".