40981078031 has 2 divisors, whose sum is σ = 40981078032. Its totient is φ = 40981078030.

The previous prime is 40981077997. The next prime is 40981078079. The reversal of 40981078031 is 13087018904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40981078031 - 2³⁰ = 39907336207 is a prime.

It is a super-2 number, since 2×40981078031² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40981078031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40981078081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20490539015 + 20490539016.

It is an arithmetic number, because the mean of its divisors is an integer number (20490539016).

Almost surely, 2^40981078031 is an apocalyptic number.

40981078031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40981078031 is an equidigital number, since it uses as much as digits as its factorization.

40981078031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 40981078031 in words is "forty billion, nine hundred eighty-one million, seventy-eight thousand, thirty-one".