40863051731 has 2 divisors, whose sum is σ = 40863051732. Its totient is φ = 40863051730.

The previous prime is 40863051707. The next prime is 40863051739. The reversal of 40863051731 is 13715036804.

40863051731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40863051731 - 2³⁰ = 39789309907 is a prime.

It is a super-2 number, since 2×40863051731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40863051739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20431525865 + 20431525866.

It is an arithmetic number, because the mean of its divisors is an integer number (20431525866).

Almost surely, 2^40863051731 is an apocalyptic number.

40863051731 is a deficient number, since it is larger than the sum of its proper divisors (1).

40863051731 is an equidigital number, since it uses as much as digits as its factorization.

40863051731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 40863051731 in words is "forty billion, eight hundred sixty-three million, fifty-one thousand, seven hundred thirty-one".