3134031221 has 16 divisors (see below), whose sum is σ = 3401270400. Its totient is φ = 2879997120.

The previous prime is 3134031217. The next prime is 3134031223. The reversal of 3134031221 is 1221304313.

It is a cyclic number.

It is not a de Polignac number, because 3134031221 - 2² = 3134031217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3134031193 and 3134031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3134031223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34355 + ... + 86303.

It is an arithmetic number, because the mean of its divisors is an integer number (212579400).

Almost surely, 2^3134031221 is an apocalyptic number.

It is an amenable number.

3134031221 is a deficient number, since it is larger than the sum of its proper divisors (267239179).

3134031221 is a wasteful number, since it uses less digits than its factorization.

3134031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52076.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3134031221 is about 55982.4188562802. The cubic root of 3134031221 is about 1463.4159118836.

Adding to 3134031221 its reverse (1221304313), we get a palindrome (4355335534).

The spelling of 3134031221 in words is "three billion, one hundred thirty-four million, thirty-one thousand, two hundred twenty-one".