345031412 has 24 divisors (see below), whose sum is σ = 693366240. Its totient is φ = 148577760.

The previous prime is 345031411. The next prime is 345031417. The reversal of 345031412 is 214130543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345031411) 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, 205523 + ... + 207194.

It is an arithmetic number, because the mean of its divisors is an integer number (28890260).

Almost surely, 2^345031412 is an apocalyptic number.

It is an amenable number.

345031412 is an abundant number, since it is smaller than the sum of its proper divisors (348334828).

345031412 is a wasteful number, since it uses less digits than its factorization.

345031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412751 (or 412749 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 345031412 is about 18575.0211843755. The cubic root of 345031412 is about 701.3791937471.

Adding to 345031412 its reverse (214130543), we get a palindrome (559161955).

The spelling of 345031412 in words is "three hundred forty-five million, thirty-one thousand, four hundred twelve".