346650631 has 2 divisors, whose sum is σ = 346650632. Its totient is φ = 346650630.

The previous prime is 346650607. The next prime is 346650671. The reversal of 346650631 is 136056643.

It is a weak prime.

It is an emirp because it is prime and its reverse (136056643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346650631 - 2⁵ = 346650599 is a prime.

It is a super-2 number, since 2×346650631² = 240333319945396322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346650671) 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, 173325315 + 173325316.

It is an arithmetic number, because the mean of its divisors is an integer number (173325316).

Almost surely, 2^346650631 is an apocalyptic number.

346650631 is a deficient number, since it is larger than the sum of its proper divisors (1).

346650631 is an equidigital number, since it uses as much as digits as its factorization.

346650631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 346650631 is about 18618.5560933172. The cubic root of 346650631 is about 702.4746636253.

The spelling of 346650631 in words is "three hundred forty-six million, six hundred fifty thousand, six hundred thirty-one".