34005320231 has 4 divisors (see below), whose sum is σ = 34512862392. Its totient is φ = 33497778072.

The previous prime is 34005320191. The next prime is 34005320249. The reversal of 34005320231 is 13202350043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13202350043 = 107 ⋅123386449.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34005320231 is a prime.

It is a super-2 number, since 2×34005320231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34005320197 and 34005320206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34005320131) 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, 253770980 + ... + 253771113.

It is an arithmetic number, because the mean of its divisors is an integer number (8628215598).

Almost surely, 2^34005320231 is an apocalyptic number.

34005320231 is a deficient number, since it is larger than the sum of its proper divisors (507542161).

34005320231 is an equidigital number, since it uses as much as digits as its factorization.

34005320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507542160.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 34005320231 its reverse (13202350043), we get a palindrome (47207670274).

The spelling of 34005320231 in words is "thirty-four billion, five million, three hundred twenty thousand, two hundred thirty-one".