16103332331 has 16 divisors (see below), whose sum is σ = 17341568640. Its totient is φ = 14899597440.

The previous prime is 16103332313. The next prime is 16103332337. The reversal of 16103332331 is 13323330161.

It is a cyclic number.

It is not a de Polignac number, because 16103332331 - 2¹⁴ = 16103315947 is a prime.

It is a super-2 number, since 2×16103332331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16103332331.

It is not an unprimeable number, because it can be changed into a prime (16103332337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204500 + ... + 272078.

It is an arithmetic number, because the mean of its divisors is an integer number (1083848040).

Almost surely, 2^16103332331 is an apocalyptic number.

16103332331 is a deficient number, since it is larger than the sum of its proper divisors (1238236309).

16103332331 is a wasteful number, since it uses less digits than its factorization.

16103332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67834.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 16103332331 its reverse (13323330161), we get a palindrome (29426662492).

The spelling of 16103332331 in words is "sixteen billion, one hundred three million, three hundred thirty-two thousand, three hundred thirty-one".