343313131 has 16 divisors (see below), whose sum is σ = 405135360. Its totient is φ = 284800320.

The previous prime is 343313123. The next prime is 343313177. The reversal of 343313131 is 131313343.

It is not a de Polignac number, because 343313131 - 2³ = 343313123 is a prime.

It is a super-2 number, since 2×343313131² = 235727811834046322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343313101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31740 + ... + 41158.

It is an arithmetic number, because the mean of its divisors is an integer number (25320960).

Almost surely, 2^343313131 is an apocalyptic number.

343313131 is a deficient number, since it is larger than the sum of its proper divisors (61822229).

343313131 is a wasteful number, since it uses less digits than its factorization.

343313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594.

The product of its digits is 972, while the sum is 22.

The square root of 343313131 is about 18528.7109913237. The cubic root of 343313131 is about 700.2129494970.

Adding to 343313131 its reverse (131313343), we get a palindrome (474626474).

The spelling of 343313131 in words is "three hundred forty-three million, three hundred thirteen thousand, one hundred thirty-one".