3145513320 has 96 divisors (see below), whose sum is σ = 10375578720. Its totient is φ = 826277760.

The previous prime is 3145513307. The next prime is 3145513331. The reversal of 3145513320 is 233155413.

3145513320 is a `hidden beast` number, since 3 + 145 + 513 + 3 + 2 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41086 + ... + 89325.

It is an arithmetic number, because the mean of its divisors is an integer number (108078945).

Almost surely, 2^3145513320 is an apocalyptic number.

3145513320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3145513320 is an abundant number, since it is smaller than the sum of its proper divisors (7230065400).

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

3145513320 is a wasteful number, since it uses less digits than its factorization.

3145513320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130495 (or 130488 counting only the distinct ones).

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

The square root of 3145513320 is about 56084.8760362364. The cubic root of 3145513320 is about 1465.2008981055.

Adding to 3145513320 its reverse (233155413), we get a palindrome (3378668733).

The spelling of 3145513320 in words is "three billion, one hundred forty-five million, five hundred thirteen thousand, three hundred twenty".