345353211 has 24 divisors (see below), whose sum is σ = 594896640. Its totient is φ = 188763696.

The previous prime is 345353207. The next prime is 345353221. The reversal of 345353211 is 112353543.

It is not a de Polignac number, because 345353211 - 2² = 345353207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345353221) 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, 117721 + ... + 120618.

It is an arithmetic number, because the mean of its divisors is an integer number (24787360).

Almost surely, 2^345353211 is an apocalyptic number.

345353211 is a deficient number, since it is larger than the sum of its proper divisors (249543429).

345353211 is a wasteful number, since it uses less digits than its factorization.

345353211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238375 (or 238372 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 345353211 is about 18583.6813091486. The cubic root of 345353211 is about 701.5971767897.

It can be divided in two parts, 3453532 and 11, that added together give a palindrome (3453543).

The spelling of 345353211 in words is "three hundred forty-five million, three hundred fifty-three thousand, two hundred eleven".