345024311 has 4 divisors (see below), whose sum is σ = 360025392. Its totient is φ = 330023232.

The previous prime is 345024301. The next prime is 345024313. The reversal of 345024311 is 113420543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113420543 = 449 ⋅252607.

It is a cyclic number.

It is not a de Polignac number, because 345024311 - 2¹⁸ = 344762167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 15001057 = 345024311 / (3 + 4 + 5 + 0 + 2 + 4 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345024313) 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, 7500506 + ... + 7500551.

It is an arithmetic number, because the mean of its divisors is an integer number (90006348).

Almost surely, 2^345024311 is an apocalyptic number.

345024311 is a deficient number, since it is larger than the sum of its proper divisors (15001081).

345024311 is a wasteful number, since it uses less digits than its factorization.

345024311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15001080.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 345024311 is about 18574.8300395993. The cubic root of 345024311 is about 701.3743820810.

Adding to 345024311 its reverse (113420543), we get a palindrome (458444854).

The spelling of 345024311 in words is "three hundred forty-five million, twenty-four thousand, three hundred eleven".