40311221333 has 4 divisors (see below), whose sum is σ = 40515847020. Its totient is φ = 40106595648.

The previous prime is 40311221263. The next prime is 40311221383. The reversal of 40311221333 is 33312211304.

40311221333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21726170404 + 18585050929 = 147398^2 + 136327^2 .

It is a cyclic number.

It is not a de Polignac number, because 40311221333 - 2¹⁴ = 40311204949 is a prime.

It is a super-2 number, since 2×40311221333² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40311221299 and 40311221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311221383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102312548 + ... + 102312941.

It is an arithmetic number, because the mean of its divisors is an integer number (10128961755).

Almost surely, 2^40311221333 is an apocalyptic number.

It is an amenable number.

40311221333 is a deficient number, since it is larger than the sum of its proper divisors (204625687).

40311221333 is a wasteful number, since it uses less digits than its factorization.

40311221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204625686.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 40311221333 its reverse (33312211304), we get a palindrome (73623432637).

The spelling of 40311221333 in words is "forty billion, three hundred eleven million, two hundred twenty-one thousand, three hundred thirty-three".