16047505231 has 2 divisors, whose sum is σ = 16047505232. Its totient is φ = 16047505230.

The previous prime is 16047505223. The next prime is 16047505289. The reversal of 16047505231 is 13250574061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16047505231 - 2³ = 16047505223 is a prime.

It is a super-2 number, since 2×16047505231² (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 (16047505031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8023752615 + 8023752616.

It is an arithmetic number, because the mean of its divisors is an integer number (8023752616).

Almost surely, 2^16047505231 is an apocalyptic number.

16047505231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16047505231 is an equidigital number, since it uses as much as digits as its factorization.

16047505231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 16047505231 in words is "sixteen billion, forty-seven million, five hundred five thousand, two hundred thirty-one".