1020313310221 has 8 divisors (see below), whose sum is σ = 1080353704320. Its totient is φ = 960275356608.

The previous prime is 1020313310209. The next prime is 1020313310257. The reversal of 1020313310221 is 1220133130201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020313310221 - 2⁵ = 1020313310189 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 (1020313310921) 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, 288460 + ... + 1457338.

It is an arithmetic number, because the mean of its divisors is an integer number (135044213040).

Almost surely, 2^{1020313310221} is an apocalyptic number.

It is an amenable number.

1020313310221 is a deficient number, since it is larger than the sum of its proper divisors (60040394099).

1020313310221 is a wasteful number, since it uses less digits than its factorization.

1020313310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220243.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1020313310221 its reverse (1220133130201), we get a palindrome (2240446440422).

The spelling of 1020313310221 in words is "one trillion, twenty billion, three hundred thirteen million, three hundred ten thousand, two hundred twenty-one".