313434543 has 4 divisors (see below), whose sum is σ = 417912728. Its totient is φ = 208956360.

The previous prime is 313434533. The next prime is 313434551. The reversal of 313434543 is 345434313.

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

It is not a de Polignac number, because 313434543 - 2²¹ = 311337391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313434543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313434533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52239088 + ... + 52239093.

It is an arithmetic number, because the mean of its divisors is an integer number (104478182).

Almost surely, 2^313434543 is an apocalyptic number.

313434543 is a deficient number, since it is larger than the sum of its proper divisors (104478185).

313434543 is a wasteful number, since it uses less digits than its factorization.

313434543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104478184.

The product of its digits is 25920, while the sum is 30.

The square root of 313434543 is about 17704.0826647415. The cubic root of 313434543 is about 679.2801949319.

Adding to 313434543 its reverse (345434313), we get a palindrome (658868856).

The spelling of 313434543 in words is "three hundred thirteen million, four hundred thirty-four thousand, five hundred forty-three".