345655311 has 4 divisors (see below), whose sum is σ = 460873752. Its totient is φ = 230436872.

The previous prime is 345655309. The next prime is 345655313. The reversal of 345655311 is 113556543.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (345655309) and next prime (345655313).

It is a cyclic number.

It is not a de Polignac number, because 345655311 - 2¹ = 345655309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345655313) 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, 57609216 + ... + 57609221.

It is an arithmetic number, because the mean of its divisors is an integer number (115218438).

Almost surely, 2^345655311 is an apocalyptic number.

345655311 is a deficient number, since it is larger than the sum of its proper divisors (115218441).

345655311 is a wasteful number, since it uses less digits than its factorization.

345655311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115218440.

The product of its digits is 27000, while the sum is 33.

The square root of 345655311 is about 18591.8076313198. The cubic root of 345655311 is about 701.8016927539.

It can be divided in two parts, 3456553 and 11, that multiplied together give a palindrome (38022083).

The spelling of 345655311 in words is "three hundred forty-five million, six hundred fifty-five thousand, three hundred eleven".