40013212311 has 12 divisors (see below), whose sum is σ = 58179624880. Its totient is φ = 26498815200.

The previous prime is 40013212277. The next prime is 40013212331. The reversal of 40013212311 is 11321231004.

40013212311 is a `hidden beast` number, since 400 + 1 + 32 + 1 + 231 + 1 = 666.

40013212311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-40013212311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013212331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14720206 + ... + 14722923.

Almost surely, 2^40013212311 is an apocalyptic number.

40013212311 is a deficient number, since it is larger than the sum of its proper divisors (18166412569).

40013212311 is a wasteful number, since it uses less digits than its factorization.

40013212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29443286 (or 29443283 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 40013212311 its reverse (11321231004), we get a palindrome (51334443315).

The spelling of 40013212311 in words is "forty billion, thirteen million, two hundred twelve thousand, three hundred eleven".