40343140331 has 8 divisors (see below), whose sum is σ = 44266204080. Its totient is φ = 36537183072.

The previous prime is 40343140267. The next prime is 40343140337. The reversal of 40343140331 is 13304134304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40343140331 - 2⁶ = 40343140267 is a prime.

It is a super-2 number, since 2×40343140331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40343140331.

It is not an unprimeable number, because it can be changed into a prime (40343140337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29275901 + ... + 29277278.

It is an arithmetic number, because the mean of its divisors is an integer number (5533275510).

Almost surely, 2^40343140331 is an apocalyptic number.

40343140331 is a deficient number, since it is larger than the sum of its proper divisors (3923063749).

40343140331 is a wasteful number, since it uses less digits than its factorization.

40343140331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58553245.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 40343140331 its reverse (13304134304), we get a palindrome (53647274635).

The spelling of 40343140331 in words is "forty billion, three hundred forty-three million, one hundred forty thousand, three hundred thirty-one".