346161631 has 2 divisors, whose sum is σ = 346161632. Its totient is φ = 346161630.

The previous prime is 346161619. The next prime is 346161689. The reversal of 346161631 is 136161643.

It is a weak prime.

It is an emirp because it is prime and its reverse (136161643) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346161631 is a prime.

It is a super-2 number, since 2×346161631² = 239655749553160322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 346161593 and 346161602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346161691) 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, 173080815 + 173080816.

It is an arithmetic number, because the mean of its divisors is an integer number (173080816).

Almost surely, 2^346161631 is an apocalyptic number.

346161631 is a deficient number, since it is larger than the sum of its proper divisors (1).

346161631 is an equidigital number, since it uses as much as digits as its factorization.

346161631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 346161631 is about 18605.4193986591. The cubic root of 346161631 is about 702.1441947230.

The spelling of 346161631 in words is "three hundred forty-six million, one hundred sixty-one thousand, six hundred thirty-one".