36690331 has 2 divisors, whose sum is σ = 36690332. Its totient is φ = 36690330.

The previous prime is 36690319. The next prime is 36690337. The reversal of 36690331 is 13309663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36690331 - 2⁹ = 36689819 is a prime.

It is a super-2 number, since 2×36690331² = 2692360777779122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36690293 and 36690302.

It is not a weakly prime, because it can be changed into another prime (36690337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18345165 + 18345166.

It is an arithmetic number, because the mean of its divisors is an integer number (18345166).

Almost surely, 2^36690331 is an apocalyptic number.

36690331 is a deficient number, since it is larger than the sum of its proper divisors (1).

36690331 is an equidigital number, since it uses as much as digits as its factorization.

36690331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 36690331 is about 6057.2544110348. The cubic root of 36690331 is about 332.2899527004.

Adding to 36690331 its reverse (13309663), we get a palindrome (49999994).

The spelling of 36690331 in words is "thirty-six million, six hundred ninety thousand, three hundred thirty-one".