202320312102001 has 4 divisors (see below), whose sum is σ = 203608976510452. Its totient is φ = 201031647693552.

The previous prime is 202320312101987. The next prime is 202320312102011. The reversal of 202320312102001 is 100201213023202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127818400262400 + 74501911839601 = 11305680^2 + 8631449^2 .

It is not a de Polignac number, because 202320312102001 - 2¹⁵ = 202320312069233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202320312102001.

It is not an unprimeable number, because it can be changed into a prime (202320312102011) 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, 644332203990 + ... + 644332204303.

It is an arithmetic number, because the mean of its divisors is an integer number (50902244127613).

Almost surely, 2^{202320312102001} is an apocalyptic number.

It is an amenable number.

202320312102001 is a deficient number, since it is larger than the sum of its proper divisors (1288664408451).

202320312102001 is a wasteful number, since it uses less digits than its factorization.

202320312102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288664408450.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202320312102001 its reverse (100201213023202), we get a palindrome (302521525125203).

The spelling of 202320312102001 in words is "two hundred two trillion, three hundred twenty billion, three hundred twelve million, one hundred two thousand, one".