16311386101 has 8 divisors (see below), whose sum is σ = 16754419640. Its totient is φ = 15868467648.

The previous prime is 16311386093. The next prime is 16311386107. The reversal of 16311386101 is 10168311361.

It can be written as a sum of positive squares in 4 ways, for example, as 4566245476 + 11745140625 = 67574^2 + 108375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16311386101 - 2³ = 16311386093 is a prime.

It is a super-2 number, since 2×16311386101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16311386107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312835 + ... + 361231.

It is an arithmetic number, because the mean of its divisors is an integer number (2094302455).

Almost surely, 2^16311386101 is an apocalyptic number.

It is an amenable number.

16311386101 is a deficient number, since it is larger than the sum of its proper divisors (443033539).

16311386101 is an equidigital number, since it uses as much as digits as its factorization.

16311386101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57543.

The product of its (nonzero) digits is 2592, while the sum is 31.

Adding to 16311386101 its reverse (10168311361), we get a palindrome (26479697462).

The spelling of 16311386101 in words is "sixteen billion, three hundred eleven million, three hundred eighty-six thousand, one hundred one".