345488311 has 4 divisors (see below), whose sum is σ = 394843792. Its totient is φ = 296132832.

The previous prime is 345488309. The next prime is 345488321. The reversal of 345488311 is 113884543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113884543 = 709 ⋅160627.

It is a cyclic number.

It is not a de Polignac number, because 345488311 - 2¹ = 345488309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345488321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24677730 + ... + 24677743.

It is an arithmetic number, because the mean of its divisors is an integer number (98710948).

Almost surely, 2^345488311 is an apocalyptic number.

345488311 is a deficient number, since it is larger than the sum of its proper divisors (49355481).

345488311 is an equidigital number, since it uses as much as digits as its factorization.

345488311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49355480.

The product of its digits is 46080, while the sum is 37.

The square root of 345488311 is about 18587.3158632439. The cubic root of 345488311 is about 701.6886516608.

The spelling of 345488311 in words is "three hundred forty-five million, four hundred eighty-eight thousand, three hundred eleven".