3115025730 has 48 divisors (see below), whose sum is σ = 8174784384. Its totient is φ = 822907680.

The previous prime is 3115025701. The next prime is 3115025741. The reversal of 3115025730 is 375205113.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3115025694 and 3115025703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152106 + ... + 171365.

It is an arithmetic number, because the mean of its divisors is an integer number (170308008).

Almost surely, 2^3115025730 is an apocalyptic number.

3115025730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3115025730 is an abundant number, since it is smaller than the sum of its proper divisors (5059758654).

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

3115025730 is a wasteful number, since it uses less digits than its factorization.

3115025730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323591 (or 323588 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 3115025730 is about 55812.4155542474. The cubic root of 3115025730 is about 1460.4517476786.

The spelling of 3115025730 in words is "three billion, one hundred fifteen million, twenty-five thousand, seven hundred thirty".