1023310221 has 8 divisors (see below), whose sum is σ = 1401289824. Its totient is φ = 663768720.

The previous prime is 1023310187. The next prime is 1023310241. The reversal of 1023310221 is 1220133201.

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

It is not a de Polignac number, because 1023310221 - 2¹⁰ = 1023309197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023310241) 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, 4609395 + ... + 4609616.

It is an arithmetic number, because the mean of its divisors is an integer number (175161228).

Almost surely, 2^1023310221 is an apocalyptic number.

It is an amenable number.

1023310221 is a deficient number, since it is larger than the sum of its proper divisors (377979603).

1023310221 is an equidigital number, since it uses as much as digits as its factorization.

1023310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219051.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1023310221 is about 31989.2203874993. The cubic root of 1023310221 is about 1007.7104695271.

Adding to 1023310221 its reverse (1220133201), we get a palindrome (2243443422).

The spelling of 1023310221 in words is "one billion, twenty-three million, three hundred ten thousand, two hundred twenty-one".