34313131 has 4 divisors (see below), whose sum is σ = 34463200. Its totient is φ = 34163064.

The previous prime is 34313129. The next prime is 34313159. The reversal of 34313131 is 13131343.

34313131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34313131 - 2¹ = 34313129 is a prime.

It is a super-2 number, since 2×34313131² = 2354781918046322, 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 = 34313099 and 34313108.

It is not an unprimeable number, because it can be changed into a prime (34313231) 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, 74691 + ... + 75148.

It is an arithmetic number, because the mean of its divisors is an integer number (8615800).

Almost surely, 2^34313131 is an apocalyptic number.

34313131 is a deficient number, since it is larger than the sum of its proper divisors (150069).

34313131 is a wasteful number, since it uses less digits than its factorization.

34313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150068.

The product of its digits is 324, while the sum is 19.

The square root of 34313131 is about 5857.7411175299. The cubic root of 34313131 is about 324.9526747658.

Adding to 34313131 its reverse (13131343), we get a palindrome (47444474).

It can be divided in two parts, 3 and 4313131, that added together give a palindrome (4313134).

The spelling of 34313131 in words is "thirty-four million, three hundred thirteen thousand, one hundred thirty-one".