345031330 has 32 divisors (see below), whose sum is σ = 711659520. Its totient is φ = 117983040.

The previous prime is 345031321. The next prime is 345031331. The reversal of 345031330 is 33130543.

It is not an unprimeable number, because it can be changed into a prime (345031331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20895 + ... + 33565.

It is an arithmetic number, because the mean of its divisors is an integer number (22239360).

Almost surely, 2^345031330 is an apocalyptic number.

345031330 is an abundant number, since it is smaller than the sum of its proper divisors (366628190).

345031330 is a wasteful number, since it uses less digits than its factorization.

345031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13074.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 345031330 is about 18575.0189771101. The cubic root of 345031330 is about 701.3791381839.

Adding to 345031330 its reverse (33130543), we get a palindrome (378161873).

The spelling of 345031330 in words is "three hundred forty-five million, thirty-one thousand, three hundred thirty".