40134430031 has 4 divisors (see below), whose sum is σ = 40162635552. Its totient is φ = 40106224512.

The previous prime is 40134430019. The next prime is 40134430051. The reversal of 40134430031 is 13003443104.

40134430031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40134430031 - 2¹⁰ = 40134429007 is a prime.

It is a super-2 number, since 2×40134430031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40134429979 and 40134430006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134430001) 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, 14100626 + ... + 14103471.

It is an arithmetic number, because the mean of its divisors is an integer number (10040658888).

Almost surely, 2^40134430031 is an apocalyptic number.

40134430031 is a deficient number, since it is larger than the sum of its proper divisors (28205521).

40134430031 is a wasteful number, since it uses less digits than its factorization.

40134430031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28205520.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40134430031 its reverse (13003443104), we get a palindrome (53137873135).

The spelling of 40134430031 in words is "forty billion, one hundred thirty-four million, four hundred thirty thousand, thirty-one".