16031434 has 8 divisors (see below), whose sum is σ = 24697188. Its totient is φ = 7799040.

The previous prime is 16031417. The next prime is 16031441. The reversal of 16031434 is 43413061.

It can be written as a sum of positive squares in 2 ways, for example, as 12780625 + 3250809 = 3575^2 + 1803^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108247 + ... + 108394.

Almost surely, 2^16031434 is an apocalyptic number.

16031434 is a deficient number, since it is larger than the sum of its proper divisors (8665754).

16031434 is a wasteful number, since it uses less digits than its factorization.

16031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216680.

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

The square root of 16031434 is about 4003.9273220177. The cubic root of 16031434 is about 252.1491201900.

Adding to 16031434 its reverse (43413061), we get a palindrome (59444495).

The spelling of 16031434 in words is "sixteen million, thirty-one thousand, four hundred thirty-four".