36310021 has 16 divisors (see below), whose sum is σ = 41154048. Its totient is φ = 31737600.

The previous prime is 36310019. The next prime is 36310037. The reversal of 36310021 is 12001363.

It is a cyclic number.

It is not a de Polignac number, because 36310021 - 2¹ = 36310019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36309977 and 36310004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36310091) 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, 79225 + ... + 79681.

It is an arithmetic number, because the mean of its divisors is an integer number (2572128).

Almost surely, 2^36310021 is an apocalyptic number.

36310021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36310021 is a deficient number, since it is larger than the sum of its proper divisors (4844027).

36310021 is a wasteful number, since it uses less digits than its factorization.

36310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 36310021 is about 6025.7797005865. The cubic root of 36310021 is about 331.1378566155.

Adding to 36310021 its reverse (12001363), we get a palindrome (48311384).

The spelling of 36310021 in words is "thirty-six million, three hundred ten thousand, twenty-one".