3506131530 has 48 divisors (see below), whose sum is σ = 9944666784. Its totient is φ = 849971040.

The previous prime is 3506131529. The next prime is 3506131543. The reversal of 3506131530 is 351316053.

3506131530 is a `hidden beast` number, since 3 + 5 + 0 + 613 + 15 + 30 = 666.

3506131530 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3506131494 and 3506131503.

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, 1769784 + ... + 1771763.

It is an arithmetic number, because the mean of its divisors is an integer number (207180558).

Almost surely, 2^3506131530 is an apocalyptic number.

3506131530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3506131530 is an abundant number, since it is smaller than the sum of its proper divisors (6438535254).

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

3506131530 is a wasteful number, since it uses less digits than its factorization.

3506131530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541571 (or 3541568 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 3506131530 is about 59212.5960417207. The cubic root of 3506131530 is about 1519.1805847151.

Adding to 3506131530 its reverse (351316053), we get a palindrome (3857447583).

The spelling of 3506131530 in words is "three billion, five hundred six million, one hundred thirty-one thousand, five hundred thirty".