40343141213 has 4 divisors (see below), whose sum is σ = 40613900700. Its totient is φ = 40072381728.

The previous prime is 40343141197. The next prime is 40343141261. The reversal of 40343141213 is 31214134304.

It is a happy number.

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 2350504324 + 37992636889 = 48482^2 + 194917^2 .

It is a cyclic number.

It is not a de Polignac number, because 40343141213 - 2⁴ = 40343141197 is a prime.

It is a super-2 number, since 2×40343141213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343141263) 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, 135379520 + ... + 135379817.

It is an arithmetic number, because the mean of its divisors is an integer number (10153475175).

Almost surely, 2^40343141213 is an apocalyptic number.

It is an amenable number.

40343141213 is a deficient number, since it is larger than the sum of its proper divisors (270759487).

40343141213 is a wasteful number, since it uses less digits than its factorization.

40343141213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270759486.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 40343141213 its reverse (31214134304), we get a palindrome (71557275517).

The spelling of 40343141213 in words is "forty billion, three hundred forty-three million, one hundred forty-one thousand, two hundred thirteen".