343134087391 has 4 divisors (see below), whose sum is σ = 343153880784. Its totient is φ = 343114294000.

The previous prime is 343134087269. The next prime is 343134087397. The reversal of 343134087391 is 193780431343.

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-343134087391 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 (343134087397) 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, 9870670 + ... + 9905371.

It is an arithmetic number, because the mean of its divisors is an integer number (85788470196).

Almost surely, 2^343134087391 is an apocalyptic number.

343134087391 is a deficient number, since it is larger than the sum of its proper divisors (19793393).

343134087391 is a wasteful number, since it uses less digits than its factorization.

343134087391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19793392.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 343134087391 in words is "three hundred forty-three billion, one hundred thirty-four million, eighty-seven thousand, three hundred ninety-one".