20311203301 has 4 divisors (see below), whose sum is σ = 20312304012. Its totient is φ = 20310102592.

The previous prime is 20311203299. The next prime is 20311203397. The reversal of 20311203301 is 10330211302.

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 18261468225 + 2049735076 = 135135^2 + 45274^2 .

It is a cyclic number.

It is not a de Polignac number, because 20311203301 - 2¹ = 20311203299 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 (20311203401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522196 + ... + 559741.

It is an arithmetic number, because the mean of its divisors is an integer number (5078076003).

Almost surely, 2^20311203301 is an apocalyptic number.

It is an amenable number.

20311203301 is a deficient number, since it is larger than the sum of its proper divisors (1100711).

20311203301 is a wasteful number, since it uses less digits than its factorization.

20311203301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100710.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20311203301 its reverse (10330211302), we get a palindrome (30641414603).

The spelling of 20311203301 in words is "twenty billion, three hundred eleven million, two hundred three thousand, three hundred one".