16348432231 has 2 divisors, whose sum is σ = 16348432232. Its totient is φ = 16348432230.

The previous prime is 16348432207. The next prime is 16348432241. The reversal of 16348432231 is 13223484361.

It is a strong prime.

It is an emirp because it is prime and its reverse (13223484361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16348432231 - 2⁷ = 16348432103 is a prime.

It is a super-2 number, since 2×16348432231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16348432241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8174216115 + 8174216116.

It is an arithmetic number, because the mean of its divisors is an integer number (8174216116).

Almost surely, 2^16348432231 is an apocalyptic number.

16348432231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16348432231 is an equidigital number, since it uses as much as digits as its factorization.

16348432231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

The spelling of 16348432231 in words is "sixteen billion, three hundred forty-eight million, four hundred thirty-two thousand, two hundred thirty-one".