20203012331131 has 8 divisors (see below), whose sum is σ = 23270961336320. Its totient is φ = 17180514422568.

The previous prime is 20203012331129. The next prime is 20203012331149. The reversal of 20203012331131 is 13113321030202.

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

It is not a de Polignac number, because 20203012331131 - 2¹ = 20203012331129 is a prime.

It is a super-2 number, since 2×20203012331131² (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 (20203012331111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11362773201 + ... + 11362774978.

It is an arithmetic number, because the mean of its divisors is an integer number (2908870167040).

Almost surely, 2^{20203012331131} is an apocalyptic number.

20203012331131 is a deficient number, since it is larger than the sum of its proper divisors (3067949005189).

20203012331131 is a wasteful number, since it uses less digits than its factorization.

20203012331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22725548313.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20203012331131 its reverse (13113321030202), we get a palindrome (33316333361333).

The spelling of 20203012331131 in words is "twenty trillion, two hundred three billion, twelve million, three hundred thirty-one thousand, one hundred thirty-one".