36831081 has 16 divisors (see below), whose sum is σ = 56208384. Its totient is φ = 21014544.

The previous prime is 36831059. The next prime is 36831089. The reversal of 36831081 is 18013863.

It is not a de Polignac number, because 36831081 - 2¹¹ = 36829033 is a prime.

It is a super-2 number, since 2×36831081² = 2713057055257122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36831089) 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, 26260 + ... + 27626.

It is an arithmetic number, because the mean of its divisors is an integer number (3513024).

Almost surely, 2^36831081 is an apocalyptic number.

It is an amenable number.

36831081 is a deficient number, since it is larger than the sum of its proper divisors (19377303).

36831081 is a wasteful number, since it uses less digits than its factorization.

36831081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 36831081 is about 6068.8615901172. The cubic root of 36831081 is about 332.7143163879.

The spelling of 36831081 in words is "thirty-six million, eight hundred thirty-one thousand, eighty-one".