34205231343431 has 4 divisors (see below), whose sum is σ = 34338325629072. Its totient is φ = 34072137057792.

The previous prime is 34205231343343. The next prime is 34205231343659. The reversal of 34205231343431 is 13434313250243.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34205231343431 is a prime.

It is a super-2 number, since 2×34205231343431² (a number of 28 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 (34205231342431) 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, 66547142435 + ... + 66547142948.

It is an arithmetic number, because the mean of its divisors is an integer number (8584581407268).

Almost surely, 2^{34205231343431} is an apocalyptic number.

34205231343431 is a deficient number, since it is larger than the sum of its proper divisors (133094285641).

34205231343431 is a wasteful number, since it uses less digits than its factorization.

34205231343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133094285640.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 34205231343431 its reverse (13434313250243), we get a palindrome (47639544593674).

The spelling of 34205231343431 in words is "thirty-four trillion, two hundred five billion, two hundred thirty-one million, three hundred forty-three thousand, four hundred thirty-one".