16873900031 has 2 divisors, whose sum is σ = 16873900032. Its totient is φ = 16873900030.

The previous prime is 16873899989. The next prime is 16873900033. The reversal of 16873900031 is 13000937861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16873900031 is a prime.

It is a super-2 number, since 2×16873900031² (a number of 21 digits) contains 22 as substring.

Together with 16873900033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16873900033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436950015 + 8436950016.

It is an arithmetic number, because the mean of its divisors is an integer number (8436950016).

Almost surely, 2^16873900031 is an apocalyptic number.

16873900031 is a deficient number, since it is larger than the sum of its proper divisors (1).

16873900031 is an equidigital number, since it uses as much as digits as its factorization.

16873900031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 16873900031 in words is "sixteen billion, eight hundred seventy-three million, nine hundred thousand, thirty-one".