40513031017 has 2 divisors, whose sum is σ = 40513031018. Its totient is φ = 40513031016.

The previous prime is 40513031003. The next prime is 40513031033. The reversal of 40513031017 is 71013031504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40392558441 + 120472576 = 200979^2 + 10976^2 .

It is a cyclic number.

It is not a de Polignac number, because 40513031017 - 2⁷ = 40513030889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40513030982 and 40513031000.

It is not a weakly prime, because it can be changed into another prime (40513031417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20256515508 + 20256515509.

It is an arithmetic number, because the mean of its divisors is an integer number (20256515509).

Almost surely, 2^40513031017 is an apocalyptic number.

It is an amenable number.

40513031017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40513031017 is an equidigital number, since it uses as much as digits as its factorization.

40513031017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 40513031017 in words is "forty billion, five hundred thirteen million, thirty-one thousand, seventeen".