40001010311 has 4 divisors (see below), whose sum is σ = 40002357000. Its totient is φ = 39999663624.

The previous prime is 40001010271. The next prime is 40001010323. The reversal of 40001010311 is 11301010004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40001010311 - 2³⁴ = 22821141127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40001010292 and 40001010301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001010331) 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 3 ways as a sum of consecutive naturals, for example, 627761 + ... + 688538.

It is an arithmetic number, because the mean of its divisors is an integer number (10000589250).

Almost surely, 2^40001010311 is an apocalyptic number.

40001010311 is a deficient number, since it is larger than the sum of its proper divisors (1346689).

40001010311 is a wasteful number, since it uses less digits than its factorization.

40001010311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346688.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 40001010311 its reverse (11301010004), we get a palindrome (51302020315).

The spelling of 40001010311 in words is "forty billion, one million, ten thousand, three hundred eleven".