40302002344031 has 2 divisors, whose sum is σ = 40302002344032. Its totient is φ = 40302002344030.

The previous prime is 40302002344013. The next prime is 40302002344103. The reversal of 40302002344031 is 13044320020304.

Together with next prime (40302002344103) it forms an Ormiston pair, because they use the same digits, order apart.

Together with previous prime (40302002344013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40302002344031 is a prime.

It is a super-3 number, since 3×40302002344031³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40302002344231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151001172015 + 20151001172016.

It is an arithmetic number, because the mean of its divisors is an integer number (20151001172016).

Almost surely, 2^{40302002344031} is an apocalyptic number.

40302002344031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40302002344031 is an equidigital number, since it uses as much as digits as its factorization.

40302002344031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40302002344031 its reverse (13044320020304), we get a palindrome (53346322364335).

The spelling of 40302002344031 in words is "forty trillion, three hundred two billion, two million, three hundred forty-four thousand, thirty-one".