3215051530 has 16 divisors (see below), whose sum is σ = 5788045800. Its totient is φ = 1285808832.

The previous prime is 3215051519. The next prime is 3215051533. The reversal of 3215051530 is 351505123.

It can be written as a sum of positive squares in 4 ways, for example, as 2804867521 + 410184009 = 52961^2 + 20253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3215051495 and 3215051504.

It is not an unprimeable number, because it can be changed into a prime (3215051533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46996 + ... + 92944.

Almost surely, 2^3215051530 is an apocalyptic number.

3215051530 is a deficient number, since it is larger than the sum of its proper divisors (2572994270).

3215051530 is a wasteful number, since it uses less digits than its factorization.

3215051530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52953.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 3215051530 is about 56701.4244089159. The cubic root of 3215051530 is about 1475.9194160537.

Adding to 3215051530 its reverse (351505123), we get a palindrome (3566556653).

The spelling of 3215051530 in words is "three billion, two hundred fifteen million, fifty-one thousand, five hundred thirty".