31166061 has 16 divisors (see below), whose sum is σ = 43861440. Its totient is φ = 19630080.

The previous prime is 31166021. The next prime is 31166111. The reversal of 31166061 is 16066113.

It is not a de Polignac number, because 31166061 - 2⁷ = 31165933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31166011) 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, 36111 + ... + 36963.

It is an arithmetic number, because the mean of its divisors is an integer number (2741340).

Almost surely, 2^31166061 is an apocalyptic number.

It is an amenable number.

31166061 is a deficient number, since it is larger than the sum of its proper divisors (12695379).

31166061 is a wasteful number, since it uses less digits than its factorization.

31166061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 31166061 is about 5582.6571630363. The cubic root of 31166061 is about 314.6979922242.

The spelling of 31166061 in words is "thirty-one million, one hundred sixty-six thousand, sixty-one".