40273240031 has 2 divisors, whose sum is σ = 40273240032. Its totient is φ = 40273240030.

The previous prime is 40273240001. The next prime is 40273240037. The reversal of 40273240031 is 13004237204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40273240031 - 2¹⁴ = 40273223647 is a prime.

It is a super-2 number, since 2×40273240031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40273240037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20136620015 + 20136620016.

It is an arithmetic number, because the mean of its divisors is an integer number (20136620016).

Almost surely, 2^40273240031 is an apocalyptic number.

40273240031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40273240031 is an equidigital number, since it uses as much as digits as its factorization.

40273240031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 40273240031 its reverse (13004237204), we get a palindrome (53277477235).

The spelling of 40273240031 in words is "forty billion, two hundred seventy-three million, two hundred forty thousand, thirty-one".