16970031 has 12 divisors (see below), whose sum is σ = 26398008. Its totient is φ = 10443024.

The previous prime is 16970027. The next prime is 16970033. The reversal of 16970031 is 13007961.

It is not a de Polignac number, because 16970031 - 2² = 16970027 is a prime.

It is a super-2 number, since 2×16970031² = 575963904281922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16969977 and 16970004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16970033) 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, 72405 + ... + 72638.

It is an arithmetic number, because the mean of its divisors is an integer number (2199834).

Almost surely, 2^16970031 is an apocalyptic number.

16970031 is a deficient number, since it is larger than the sum of its proper divisors (9427977).

16970031 is a wasteful number, since it uses less digits than its factorization.

16970031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145062 (or 145059 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 16970031 is about 4119.4697474311. The cubic root of 16970031 is about 256.9769746262.

Adding to 16970031 its reverse (13007961), we get a palindrome (29977992).

The spelling of 16970031 in words is "sixteen million, nine hundred seventy thousand, thirty-one".