33434043431 has 4 divisors (see below), whose sum is σ = 33456438792. Its totient is φ = 33411648072.

The previous prime is 33434043413. The next prime is 33434043437. The reversal of 33434043431 is 13434043433.

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 33434043431 - 2²² = 33429849127 is a prime.

It is a super-2 number, since 2×33434043431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33434043437) 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, 11195441 + ... + 11198426.

It is an arithmetic number, because the mean of its divisors is an integer number (8364109698).

Almost surely, 2^33434043431 is an apocalyptic number.

33434043431 is a deficient number, since it is larger than the sum of its proper divisors (22395361).

33434043431 is a wasteful number, since it uses less digits than its factorization.

33434043431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22395360.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 33434043431 its reverse (13434043433), we get a palindrome (46868086864).

The spelling of 33434043431 in words is "thirty-three billion, four hundred thirty-four million, forty-three thousand, four hundred thirty-one".