1020310201321 has 16 divisors (see below), whose sum is σ = 1039739152320. Its totient is φ = 1001101570560.

The previous prime is 1020310201213. The next prime is 1020310201333. The reversal of 1020310201321 is 1231020130201.

It is a cyclic number.

It is not a de Polignac number, because 1020310201321 - 2⁹ = 1020310200809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020310201295 and 1020310201304.

It is not an unprimeable number, because it can be changed into a prime (1020310201381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970166 + ... + 6138688.

It is an arithmetic number, because the mean of its divisors is an integer number (64983697020).

Almost surely, 2^{1020310201321} is an apocalyptic number.

It is an amenable number.

1020310201321 is a deficient number, since it is larger than the sum of its proper divisors (19428950999).

1020310201321 is a wasteful number, since it uses less digits than its factorization.

1020310201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169176.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1020310201321 its reverse (1231020130201), we get a palindrome (2251330331522).

The spelling of 1020310201321 in words is "one trillion, twenty billion, three hundred ten million, two hundred one thousand, three hundred twenty-one".