16440882131 has 2 divisors, whose sum is σ = 16440882132. Its totient is φ = 16440882130.

The previous prime is 16440882113. The next prime is 16440882137. The reversal of 16440882131 is 13128804461.

16440882131 is nontrivially palindromic in base 16.

Together with previous prime (16440882113) 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 a de Polignac number, because none of the positive numbers 2^k-16440882131 is a prime.

It is a super-3 number, since 3×16440882131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (16440882137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220441065 + 8220441066.

It is an arithmetic number, because the mean of its divisors is an integer number (8220441066).

Almost surely, 2^16440882131 is an apocalyptic number.

16440882131 is a deficient number, since it is larger than the sum of its proper divisors (1).

16440882131 is an equidigital number, since it uses as much as digits as its factorization.

16440882131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 16440882131 in words is "sixteen billion, four hundred forty million, eight hundred eighty-two thousand, one hundred thirty-one".