16419223031 has 2 divisors, whose sum is σ = 16419223032. Its totient is φ = 16419223030.

The previous prime is 16419223013. The next prime is 16419223039. The reversal of 16419223031 is 13032291461.

Together with previous prime (16419223013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16419223031 - 2¹⁰ = 16419222007 is a prime.

It is a super-2 number, since 2×16419223031² (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 (16419223039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8209611515 + 8209611516.

It is an arithmetic number, because the mean of its divisors is an integer number (8209611516).

Almost surely, 2^16419223031 is an apocalyptic number.

16419223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

16419223031 is an equidigital number, since it uses as much as digits as its factorization.

16419223031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 16419223031 in words is "sixteen billion, four hundred nineteen million, two hundred twenty-three thousand, thirty-one".