34120332391 has 4 divisors (see below), whose sum is σ = 34297121872. Its totient is φ = 33943542912.

The previous prime is 34120332319. The next prime is 34120332401. The reversal of 34120332391 is 19323302143.

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 34120332391 - 2²³ = 34111943783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34120332991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88394451 + ... + 88394836.

It is an arithmetic number, because the mean of its divisors is an integer number (8574280468).

Almost surely, 2^34120332391 is an apocalyptic number.

34120332391 is a deficient number, since it is larger than the sum of its proper divisors (176789481).

34120332391 is a wasteful number, since it uses less digits than its factorization.

34120332391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176789480.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 34120332391 in words is "thirty-four billion, one hundred twenty million, three hundred thirty-two thousand, three hundred ninety-one".