40342332031 has 2 divisors, whose sum is σ = 40342332032. Its totient is φ = 40342332030.

The previous prime is 40342332007. The next prime is 40342332091. The reversal of 40342332031 is 13023324304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40342332031 - 2⁵ = 40342331999 is a prime.

It is a super-2 number, since 2×40342332031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40342331987 and 40342332005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40342332091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171166015 + 20171166016.

It is an arithmetic number, because the mean of its divisors is an integer number (20171166016).

Almost surely, 2^40342332031 is an apocalyptic number.

40342332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40342332031 is an equidigital number, since it uses as much as digits as its factorization.

40342332031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 40342332031 its reverse (13023324304), we get a palindrome (53365656335).

The spelling of 40342332031 in words is "forty billion, three hundred forty-two million, three hundred thirty-two thousand, thirty-one".