16431075101 has 4 divisors (see below), whose sum is σ = 18778371552. Its totient is φ = 14083778652.

The previous prime is 16431075097. The next prime is 16431075187. The reversal of 16431075101 is 10157013461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16431075101 - 2² = 16431075097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16431075191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173648215 + ... + 1173648228.

It is an arithmetic number, because the mean of its divisors is an integer number (4694592888).

Almost surely, 2^16431075101 is an apocalyptic number.

It is an amenable number.

16431075101 is a deficient number, since it is larger than the sum of its proper divisors (2347296451).

16431075101 is an equidigital number, since it uses as much as digits as its factorization.

16431075101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347296450.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 16431075101 its reverse (10157013461), we get a palindrome (26588088562).

The spelling of 16431075101 in words is "sixteen billion, four hundred thirty-one million, seventy-five thousand, one hundred one".