345111313 has 4 divisors (see below), whose sum is σ = 356243968. Its totient is φ = 333978660.

The previous prime is 345111311. The next prime is 345111317. The reversal of 345111313 is 313111543.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313111543 = 359 ⋅872177.

It is a cyclic number.

It is not a de Polignac number, because 345111313 - 2¹ = 345111311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345111311) 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, 5566281 + ... + 5566342.

It is an arithmetic number, because the mean of its divisors is an integer number (89060992).

Almost surely, 2^345111313 is an apocalyptic number.

It is an amenable number.

345111313 is a deficient number, since it is larger than the sum of its proper divisors (11132655).

345111313 is a wasteful number, since it uses less digits than its factorization.

345111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132654.

The product of its digits is 540, while the sum is 22.

The square root of 345111313 is about 18577.1718245808. The cubic root of 345111313 is about 701.4333304350.

Adding to 345111313 its reverse (313111543), we get a palindrome (658222856).

The spelling of 345111313 in words is "three hundred forty-five million, one hundred eleven thousand, three hundred thirteen".