345311055 has 24 divisors (see below), whose sum is σ = 633748752. Its totient is φ = 173332224.

The previous prime is 345311051. The next prime is 345311063. The reversal of 345311055 is 550113543.

345311055 is a `hidden beast` number, since 345 + 311 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 345311055 - 2² = 345311051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345311051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224929 + ... + 226458.

It is an arithmetic number, because the mean of its divisors is an integer number (26406198).

Almost surely, 2^345311055 is an apocalyptic number.

345311055 is a deficient number, since it is larger than the sum of its proper divisors (288437697).

345311055 is a wasteful number, since it uses less digits than its factorization.

345311055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451415 (or 451412 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 345311055 is about 18582.5470536200. The cubic root of 345311055 is about 701.5686284966.

Adding to 345311055 its reverse (550113543), we get a palindrome (895424598).

The spelling of 345311055 in words is "three hundred forty-five million, three hundred eleven thousand, fifty-five".