20231322031201 has 4 divisors (see below), whose sum is σ = 20231331099904. Its totient is φ = 20231312962500.

The previous prime is 20231322031171. The next prime is 20231322031237. The reversal of 20231322031201 is 10213022313202.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231322031201 is a prime.

It is a super-2 number, since 2×20231322031201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231322035201) 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, 1406776 + ... + 6514726.

It is an arithmetic number, because the mean of its divisors is an integer number (5057832774976).

Almost surely, 2^{20231322031201} is an apocalyptic number.

It is an amenable number.

20231322031201 is a deficient number, since it is larger than the sum of its proper divisors (9068703).

20231322031201 is an equidigital number, since it uses as much as digits as its factorization.

20231322031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068702.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20231322031201 its reverse (10213022313202), we get a palindrome (30444344344403).

The spelling of 20231322031201 in words is "twenty trillion, two hundred thirty-one billion, three hundred twenty-two million, thirty-one thousand, two hundred one".