40131754823231 has 2 divisors, whose sum is σ = 40131754823232. Its totient is φ = 40131754823230.

The previous prime is 40131754823189. The next prime is 40131754823239. The reversal of 40131754823231 is 13232845713104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40131754823231 - 2¹⁰ = 40131754822207 is a prime.

It is a super-2 number, since 2×40131754823231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40131754823239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065877411615 + 20065877411616.

It is an arithmetic number, because the mean of its divisors is an integer number (20065877411616).

Almost surely, 2^{40131754823231} is an apocalyptic number.

40131754823231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40131754823231 is an equidigital number, since it uses as much as digits as its factorization.

40131754823231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 40131754823231 in words is "forty trillion, one hundred thirty-one billion, seven hundred fifty-four million, eight hundred twenty-three thousand, two hundred thirty-one".