3135430221 has 16 divisors (see below), whose sum is σ = 5212144128. Its totient is φ = 1628794800.

The previous prime is 3135430171. The next prime is 3135430253. The reversal of 3135430221 is 1220345313.

It is not a de Polignac number, because 3135430221 - 2⁶ = 3135430157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3135430191 and 3135430200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135430261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6786415 + ... + 6786876.

It is an arithmetic number, because the mean of its divisors is an integer number (325759008).

Almost surely, 2^3135430221 is an apocalyptic number.

It is an amenable number.

3135430221 is a deficient number, since it is larger than the sum of its proper divisors (2076713907).

3135430221 is a wasteful number, since it uses less digits than its factorization.

3135430221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573312.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3135430221 is about 55994.9124564009. The cubic root of 3135430221 is about 1463.6336308699.

Adding to 3135430221 its reverse (1220345313), we get a palindrome (4355775534).

The spelling of 3135430221 in words is "three billion, one hundred thirty-five million, four hundred thirty thousand, two hundred twenty-one".