40343134231 has 16 divisors (see below), whose sum is σ = 43117494048. Its totient is φ = 37613721600.

The previous prime is 40343134219. The next prime is 40343134303. The reversal of 40343134231 is 13243134304.

It is a cyclic number.

It is not a de Polignac number, because 40343134231 - 2¹⁷ = 40343003159 is a prime.

It is a super-2 number, since 2×40343134231² (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 40343134231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40343134031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4492576 + ... + 4501546.

It is an arithmetic number, because the mean of its divisors is an integer number (2694843378).

Almost surely, 2^40343134231 is an apocalyptic number.

40343134231 is a deficient number, since it is larger than the sum of its proper divisors (2774359817).

40343134231 is a wasteful number, since it uses less digits than its factorization.

40343134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40343134231 its reverse (13243134304), we get a palindrome (53586268535).

The spelling of 40343134231 in words is "forty billion, three hundred forty-three million, one hundred thirty-four thousand, two hundred thirty-one".