13031166 has 32 divisors (see below), whose sum is σ = 26707968. Its totient is φ = 4237760.

The previous prime is 13031159. The next prime is 13031171. The reversal of 13031166 is 66113031.

It is a super-2 number, since 2×13031166² = 339622574639112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68131 + ... + 68321.

It is an arithmetic number, because the mean of its divisors is an integer number (834624).

Almost surely, 2^13031166 is an apocalyptic number.

13031166 is an abundant number, since it is smaller than the sum of its proper divisors (13676802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031166 is a wasteful number, since it uses less digits than its factorization.

13031166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13031166 is about 3609.8706348012. The cubic root of 13031166 is about 235.3212206010.

Adding to 13031166 its reverse (66113031), we get a palindrome (79144197).

The spelling of 13031166 in words is "thirteen million, thirty-one thousand, one hundred sixty-six".