345112013 has 4 divisors (see below), whose sum is σ = 347178720. Its totient is φ = 343045308.

The previous prime is 345112003. The next prime is 345112039. The reversal of 345112013 is 310211543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345112013 - 2¹⁶ = 345046477 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 (345112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033103 + ... + 1033436.

It is an arithmetic number, because the mean of its divisors is an integer number (86794680).

Almost surely, 2^345112013 is an apocalyptic number.

It is an amenable number.

345112013 is a deficient number, since it is larger than the sum of its proper divisors (2066707).

345112013 is a wasteful number, since it uses less digits than its factorization.

345112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066706.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 345112013 is about 18577.1906648987. The cubic root of 345112013 is about 701.4338046810.

Adding to 345112013 its reverse (310211543), we get a palindrome (655323556).

The spelling of 345112013 in words is "three hundred forty-five million, one hundred twelve thousand, thirteen".