17980348031 has 2 divisors, whose sum is σ = 17980348032. Its totient is φ = 17980348030.

The previous prime is 17980348021. The next prime is 17980348081. The reversal of 17980348031 is 13084308971.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17980348031 - 2⁶ = 17980347967 is a prime.

It is a super-2 number, since 2×17980348031² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17980348021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8990174015 + 8990174016.

It is an arithmetic number, because the mean of its divisors is an integer number (8990174016).

Almost surely, 2^17980348031 is an apocalyptic number.

17980348031 is a deficient number, since it is larger than the sum of its proper divisors (1).

17980348031 is an equidigital number, since it uses as much as digits as its factorization.

17980348031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 17980348031 in words is "seventeen billion, nine hundred eighty million, three hundred forty-eight thousand, thirty-one".