3133530521 has 16 divisors (see below), whose sum is σ = 3608591040. Its totient is φ = 2691025920.

The previous prime is 3133530509. The next prime is 3133530523. The reversal of 3133530521 is 1250353313.

It is not a de Polignac number, because 3133530521 - 2¹⁸ = 3133268377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3133530523) 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 15 ways as a sum of consecutive naturals, for example, 52541 + ... + 95013.

It is an arithmetic number, because the mean of its divisors is an integer number (225536940).

Almost surely, 2^3133530521 is an apocalyptic number.

It is an amenable number.

3133530521 is a deficient number, since it is larger than the sum of its proper divisors (475060519).

3133530521 is a wasteful number, since it uses less digits than its factorization.

3133530521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42856.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 3133530521 is about 55977.9467379789. The cubic root of 3133530521 is about 1463.3379748413.

Adding to 3133530521 its reverse (1250353313), we get a palindrome (4383883834).

The spelling of 3133530521 in words is "three billion, one hundred thirty-three million, five hundred thirty thousand, five hundred twenty-one".