40234431303 has 24 divisors (see below), whose sum is σ = 63516984336. Its totient is φ = 24339398400.

The previous prime is 40234431299. The next prime is 40234431329. The reversal of 40234431303 is 30313443204.

40234431303 is a `hidden beast` number, since 4 + 0 + 2 + 344 + 313 + 0 + 3 = 666.

40234431303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40234431303 - 2² = 40234431299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234431353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322050 + ... + 429167.

It is an arithmetic number, because the mean of its divisors is an integer number (2646541014).

Almost surely, 2^40234431303 is an apocalyptic number.

40234431303 is a deficient number, since it is larger than the sum of its proper divisors (23282553033).

40234431303 is a wasteful number, since it uses less digits than its factorization.

40234431303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751775 (or 751772 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40234431303 its reverse (30313443204), we get a palindrome (70547874507).

The spelling of 40234431303 in words is "forty billion, two hundred thirty-four million, four hundred thirty-one thousand, three hundred three".