3531421130 has 24 divisors (see below), whose sum is σ = 6708728772. Its totient is φ = 1338221376.

The previous prime is 3531421129. The next prime is 3531421133. The reversal of 3531421130 is 311241353.

It can be written as a sum of positive squares in 2 ways, for example, as 3484895089 + 46526041 = 59033^2 + 6821^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3531421096 and 3531421105.

It is not an unprimeable number, because it can be changed into a prime (3531421133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485507 + ... + 492726.

Almost surely, 2^3531421130 is an apocalyptic number.

3531421130 is a deficient number, since it is larger than the sum of its proper divisors (3177307642).

3531421130 is a wasteful number, since it uses less digits than its factorization.

3531421130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978278 (or 978259 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3531421130 is about 59425.7615012210. The cubic root of 3531421130 is about 1522.8244359345.

Adding to 3531421130 its reverse (311241353), we get a palindrome (3842662483).

The spelling of 3531421130 in words is "three billion, five hundred thirty-one million, four hundred twenty-one thousand, one hundred thirty".