336649331 has 2 divisors, whose sum is σ = 336649332. Its totient is φ = 336649330.

The previous prime is 336649303. The next prime is 336649333. The reversal of 336649331 is 133946633.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 336649331 - 2¹⁸ = 336387187 is a prime.

It is a super-2 number, since 2×336649331² = 226665544125495122, which contains 22 as substring.

Together with 336649333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (336649333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168324665 + 168324666.

It is an arithmetic number, because the mean of its divisors is an integer number (168324666).

Almost surely, 2^336649331 is an apocalyptic number.

336649331 is a deficient number, since it is larger than the sum of its proper divisors (1).

336649331 is an equidigital number, since it uses as much as digits as its factorization.

336649331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 38.

The square root of 336649331 is about 18348.0061859593. The cubic root of 336649331 is about 695.6528764869.

The spelling of 336649331 in words is "three hundred thirty-six million, six hundred forty-nine thousand, three hundred thirty-one".