346616131 has 4 divisors (see below), whose sum is σ = 353156112. Its totient is φ = 340076152.

The previous prime is 346616129. The next prime is 346616161. The reversal of 346616131 is 131616643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131616643 = 227 ⋅579809.

It is a cyclic number.

It is not a de Polignac number, because 346616131 - 2¹ = 346616129 is a prime.

It is a super-2 number, since 2×346616131² = 240285484538818322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346616093 and 346616102.

It is not an unprimeable number, because it can be changed into a prime (346616161) 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 in 3 ways as a sum of consecutive naturals, for example, 3269911 + ... + 3270016.

It is an arithmetic number, because the mean of its divisors is an integer number (88289028).

Almost surely, 2^346616131 is an apocalyptic number.

346616131 is a deficient number, since it is larger than the sum of its proper divisors (6539981).

346616131 is an equidigital number, since it uses as much as digits as its factorization.

346616131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539980.

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

The square root of 346616131 is about 18617.6295752171. The cubic root of 346616131 is about 702.4513585281.

The spelling of 346616131 in words is "three hundred forty-six million, six hundred sixteen thousand, one hundred thirty-one".