36420331 has 4 divisors (see below), whose sum is σ = 36539272. Its totient is φ = 36301392.

The previous prime is 36420311. The next prime is 36420337. The reversal of 36420331 is 13302463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13302463 = 751 ⋅17713.

It is a cyclic number.

It is not a de Polignac number, because 36420331 - 2⁷ = 36420203 is a prime.

It is a super-2 number, since 2×36420331² = 2652881020299122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36420337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59010 + ... + 59623.

It is an arithmetic number, because the mean of its divisors is an integer number (9134818).

Almost surely, 2^36420331 is an apocalyptic number.

36420331 is a deficient number, since it is larger than the sum of its proper divisors (118941).

36420331 is a wasteful number, since it uses less digits than its factorization.

36420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118940.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 36420331 is about 6034.9259316084. The cubic root of 36420331 is about 331.4728503511.

Adding to 36420331 its reverse (13302463), we get a palindrome (49722794).

The spelling of 36420331 in words is "thirty-six million, four hundred twenty thousand, three hundred thirty-one".