345311230 has 16 divisors (see below), whose sum is σ = 678065904. Its totient is φ = 125567680.

The previous prime is 345311221. The next prime is 345311231. The reversal of 345311230 is 32113543.

It is a super-2 number, since 2×345311230² = 238479691128225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345311231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569487 + ... + 1569706.

It is an arithmetic number, because the mean of its divisors is an integer number (42379119).

Almost surely, 2^345311230 is an apocalyptic number.

345311230 is a deficient number, since it is larger than the sum of its proper divisors (332754674).

345311230 is a wasteful number, since it uses less digits than its factorization.

345311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139211.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 345311230 is about 18582.5517623388. The cubic root of 345311230 is about 701.5687470124.

Adding to 345311230 its reverse (32113543), we get a palindrome (377424773).

The spelling of 345311230 in words is "three hundred forty-five million, three hundred eleven thousand, two hundred thirty".