348500131 has 4 divisors (see below), whose sum is σ = 398285872. Its totient is φ = 298714392.

The previous prime is 348500099. The next prime is 348500149. The reversal of 348500131 is 131005843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131005843 = 557 ⋅235199.

It is a cyclic number.

It is not a de Polignac number, because 348500131 - 2⁵ = 348500099 is a prime.

It is a super-2 number, since 2×348500131² = 242904682614034322, 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 = 348500096 and 348500105.

It is not an unprimeable number, because it can be changed into a prime (348500231) 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, 24892860 + ... + 24892873.

It is an arithmetic number, because the mean of its divisors is an integer number (99571468).

Almost surely, 2^348500131 is an apocalyptic number.

348500131 is a deficient number, since it is larger than the sum of its proper divisors (49785741).

348500131 is an equidigital number, since it uses as much as digits as its factorization.

348500131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49785740.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 348500131 is about 18668.1582112430. The cubic root of 348500131 is about 703.7217627619.

Adding to 348500131 its reverse (131005843), we get a palindrome (479505974).

The spelling of 348500131 in words is "three hundred forty-eight million, five hundred thousand, one hundred thirty-one".