40013212313 has 4 divisors (see below), whose sum is σ = 40013630160. Its totient is φ = 40012794468.

The previous prime is 40013212277. The next prime is 40013212331. The reversal of 40013212313 is 31321231004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40013212313 - 2⁶ = 40013212249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013212333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14018 + ... + 283236.

It is an arithmetic number, because the mean of its divisors is an integer number (10003407540).

Almost surely, 2^40013212313 is an apocalyptic number.

It is an amenable number.

40013212313 is a deficient number, since it is larger than the sum of its proper divisors (417847).

40013212313 is a wasteful number, since it uses less digits than its factorization.

40013212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417846.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 40013212313 its reverse (31321231004), we get a palindrome (71334443317).

The spelling of 40013212313 in words is "forty billion, thirteen million, two hundred twelve thousand, three hundred thirteen".