20313323131201 has 4 divisors (see below), whose sum is σ = 20352163137712. Its totient is φ = 20274483124692.

The previous prime is 20313323131183. The next prime is 20313323131217. The reversal of 20313323131201 is 10213132331302.

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.

It is a cyclic number.

It is not a de Polignac number, because 20313323131201 - 2¹¹ = 20313323129153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313323131261) 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, 19420002471 + ... + 19420003516.

It is an arithmetic number, because the mean of its divisors is an integer number (5088040784428).

Almost surely, 2^{20313323131201} is an apocalyptic number.

It is an amenable number.

20313323131201 is a deficient number, since it is larger than the sum of its proper divisors (38840006511).

20313323131201 is an equidigital number, since it uses as much as digits as its factorization.

20313323131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38840006510.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20313323131201 its reverse (10213132331302), we get a palindrome (30526455462503).

The spelling of 20313323131201 in words is "twenty trillion, three hundred thirteen billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred one".