21032020133131 has 8 divisors (see below), whose sum is σ = 24047821262304. Its totient is φ = 18019025710080.

The previous prime is 21032020133093. The next prime is 21032020133141. The reversal of 21032020133131 is 13133102023012.

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 21032020133131 - 2⁹ = 21032020132619 is a prime.

It is a super-2 number, since 2×21032020133131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21032020133141) 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 7 ways as a sum of consecutive naturals, for example, 701660470 + ... + 701690443.

It is an arithmetic number, because the mean of its divisors is an integer number (3005977657788).

Almost surely, 2^{21032020133131} is an apocalyptic number.

21032020133131 is a deficient number, since it is larger than the sum of its proper divisors (3015801129173).

21032020133131 is a wasteful number, since it uses less digits than its factorization.

21032020133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403353061.

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

Adding to 21032020133131 its reverse (13133102023012), we get a palindrome (34165122156143).

The spelling of 21032020133131 in words is "twenty-one trillion, thirty-two billion, twenty million, one hundred thirty-three thousand, one hundred thirty-one".