345031032 has 64 divisors (see below), whose sum is σ = 920851200. Its totient is φ = 107412480.

The previous prime is 345031021. The next prime is 345031033. The reversal of 345031032 is 230130543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345031033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27048 + ... + 37704.

It is an arithmetic number, because the mean of its divisors is an integer number (14388300).

Almost surely, 2^345031032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345031032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460425600).

345031032 is an abundant number, since it is smaller than the sum of its proper divisors (575820168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345031032 is a wasteful number, since it uses less digits than its factorization.

345031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10756 (or 10752 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 345031032 is about 18575.0109555822. The cubic root of 345031032 is about 701.3789362592.

Adding to 345031032 its reverse (230130543), we get a palindrome (575161575).

The spelling of 345031032 in words is "three hundred forty-five million, thirty-one thousand, thirty-two".