16103331 has 12 divisors (see below), whose sum is σ = 23326680. Its totient is φ = 10704960.

The previous prime is 16103303. The next prime is 16103413. The reversal of 16103331 is 13330161.

It is not a de Polignac number, because 16103331 - 2⁵ = 16103299 is a prime.

It is a super-2 number, since 2×16103331² = 518634538591122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16103531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1051 + ... + 5771.

It is an arithmetic number, because the mean of its divisors is an integer number (1943890).

It is a self-describing number.

Almost surely, 2^16103331 is an apocalyptic number.

16103331 is a deficient number, since it is larger than the sum of its proper divisors (7223349).

16103331 is a wasteful number, since it uses less digits than its factorization.

16103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 16103331 is about 4012.8955879763. The cubic root of 16103331 is about 252.5255001531.

Adding to 16103331 its reverse (13330161), we get a palindrome (29433492).

The spelling of 16103331 in words is "sixteen million, one hundred three thousand, three hundred thirty-one".