16434031 has 16 divisors (see below), whose sum is σ = 18024160. Its totient is φ = 14929920.

The previous prime is 16434001. The next prime is 16434049. The reversal of 16434031 is 13043461.

It is a 12-Lehmer number, since φ(16434031) divides (16434031-1)¹².

It is a cyclic number.

It is not a de Polignac number, because 16434031 - 2⁹ = 16433519 is a prime.

It is a super-2 number, since 2×16434031² = 540154749817922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16433993 and 16434011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434001) 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, 68071 + ... + 68311.

It is an arithmetic number, because the mean of its divisors is an integer number (1126510).

Almost surely, 2^16434031 is an apocalyptic number.

16434031 is a deficient number, since it is larger than the sum of its proper divisors (1590129).

16434031 is a wasteful number, since it uses less digits than its factorization.

16434031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16434031 is about 4053.8908470752. The cubic root of 16434031 is about 254.2424318545.

Adding to 16434031 its reverse (13043461), we get a palindrome (29477492).

It can be divided in two parts, 16 and 434031, that multiplied together give a palindrome (6944496).

The spelling of 16434031 in words is "sixteen million, four hundred thirty-four thousand, thirty-one".