20203133131 has 8 divisors (see below), whose sum is σ = 20419202384. Its totient is φ = 19987223040.

The previous prime is 20203133113. The next prime is 20203133147. The reversal of 20203133131 is 13133130202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20203133131 - 2¹¹ = 20203131083 is a prime.

It is a super-2 number, since 2×20203133131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203133099 and 20203133108.

It is not an unprimeable number, because it can be changed into a prime (20203133161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224776 + ... + 301546.

It is an arithmetic number, because the mean of its divisors is an integer number (2552400298).

Almost surely, 2^20203133131 is an apocalyptic number.

20203133131 is a deficient number, since it is larger than the sum of its proper divisors (216069253).

20203133131 is an equidigital number, since it uses as much as digits as its factorization.

20203133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79581.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20203133131 its reverse (13133130202), we get a palindrome (33336263333).

The spelling of 20203133131 in words is "twenty billion, two hundred three million, one hundred thirty-three thousand, one hundred thirty-one".