20030300021131 has 4 divisors (see below), whose sum is σ = 20146082102352. Its totient is φ = 19914517939912.

The previous prime is 20030300021113. The next prime is 20030300021143. The reversal of 20030300021131 is 13112000303002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20030300021131 - 2¹⁷ = 20030299890059 is a prime.

It is a super-3 number, since 3×20030300021131³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20030300021101) 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, 57891040351 + ... + 57891040696.

It is an arithmetic number, because the mean of its divisors is an integer number (5036520525588).

Almost surely, 2^{20030300021131} is an apocalyptic number.

20030300021131 is a deficient number, since it is larger than the sum of its proper divisors (115782081221).

20030300021131 is a wasteful number, since it uses less digits than its factorization.

20030300021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115782081220.

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

Adding to 20030300021131 its reverse (13112000303002), we get a palindrome (33142300324133).

The spelling of 20030300021131 in words is "twenty trillion, thirty billion, three hundred million, twenty-one thousand, one hundred thirty-one".