3130233100221 has 4 divisors (see below), whose sum is σ = 4173644133632. Its totient is φ = 2086822066812.

The previous prime is 3130233100219. The next prime is 3130233100243. The reversal of 3130233100221 is 1220013320313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3130233100221 - 2¹ = 3130233100219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130233100271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521705516701 + ... + 521705516706.

It is an arithmetic number, because the mean of its divisors is an integer number (1043411033408).

Almost surely, 2^{3130233100221} is an apocalyptic number.

It is an amenable number.

3130233100221 is a deficient number, since it is larger than the sum of its proper divisors (1043411033411).

3130233100221 is a wasteful number, since it uses less digits than its factorization.

3130233100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043411033410.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3130233100221 its reverse (1220013320313), we get a palindrome (4350246420534).

The spelling of 3130233100221 in words is "three trillion, one hundred thirty billion, two hundred thirty-three million, one hundred thousand, two hundred twenty-one".