40311243321 has 16 divisors (see below), whose sum is σ = 54346301760. Its totient is φ = 26575819200.

The previous prime is 40311243311. The next prime is 40311243403. The reversal of 40311243321 is 12334211304.

It is a happy number.

It is not a de Polignac number, because 40311243321 - 2⁵ = 40311243289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40311243291 and 40311243300.

It is not an unprimeable number, because it can be changed into a prime (40311243311) 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 15 ways as a sum of consecutive naturals, for example, 170946 + ... + 331428.

It is an arithmetic number, because the mean of its divisors is an integer number (3396643860).

Almost surely, 2^40311243321 is an apocalyptic number.

It is an amenable number.

40311243321 is a deficient number, since it is larger than the sum of its proper divisors (14035058439).

40311243321 is a wasteful number, since it uses less digits than its factorization.

40311243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161416.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 40311243321 its reverse (12334211304), we get a palindrome (52645454625).

The spelling of 40311243321 in words is "forty billion, three hundred eleven million, two hundred forty-three thousand, three hundred twenty-one".