16122031 has 4 divisors (see below), whose sum is σ = 16138672. Its totient is φ = 16105392.

The previous prime is 16121971. The next prime is 16122037. The reversal of 16122031 is 13022161.

16122031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16122031 - 2²³ = 7733423 is a prime.

It is a super-2 number, since 2×16122031² = 519839767129922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16121996 and 16122014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16122037) 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, 6771 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (4034668).

Almost surely, 2^16122031 is an apocalyptic number.

16122031 is a deficient number, since it is larger than the sum of its proper divisors (16641).

16122031 is a wasteful number, since it uses less digits than its factorization.

16122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16640.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 16122031 is about 4015.2249003014. The cubic root of 16122031 is about 252.6232107890.

Adding to 16122031 its reverse (13022161), we get a palindrome (29144192).

The spelling of 16122031 in words is "sixteen million, one hundred twenty-two thousand, thirty-one".