3130423221 has 8 divisors (see below), whose sum is σ = 4286705824. Its totient is φ = 2030544720.

The previous prime is 3130423213. The next prime is 3130423229. The reversal of 3130423221 is 1223240313.

It is an interprime number because it is at equal distance from previous prime (3130423213) and next prime (3130423229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3130423221 - 2³ = 3130423213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130423229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14100895 + ... + 14101116.

It is an arithmetic number, because the mean of its divisors is an integer number (535838228).

Almost surely, 2^3130423221 is an apocalyptic number.

It is an amenable number.

3130423221 is a deficient number, since it is larger than the sum of its proper divisors (1156282603).

3130423221 is a wasteful number, since it uses less digits than its factorization.

3130423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28202051.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3130423221 is about 55950.1851739563. The cubic root of 3130423221 is about 1462.8541187056.

Adding to 3130423221 its reverse (1223240313), we get a palindrome (4353663534).

The spelling of 3130423221 in words is "three billion, one hundred thirty million, four hundred twenty-three thousand, two hundred twenty-one".