2021131313001 has 12 divisors (see below), whose sum is σ = 2919922625412. Its totient is φ = 1347185154336.

The previous prime is 2021131312987. The next prime is 2021131313011. The reversal of 2021131313001 is 1003131311202.

2021131313001 is a `hidden beast` number, since 20 + 211 + 3 + 131 + 300 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1679748194601 + 341383118400 = 1296051^2 + 584280^2 .

It is not a de Polignac number, because 2021131313001 - 2¹⁰ = 2021131311977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021131313011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19589106 + ... + 19692011.

It is an arithmetic number, because the mean of its divisors is an integer number (243326885451).

Almost surely, 2^{2021131313001} is an apocalyptic number.

It is an amenable number.

2021131313001 is a deficient number, since it is larger than the sum of its proper divisors (898791312411).

2021131313001 is a wasteful number, since it uses less digits than its factorization.

2021131313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39286840 (or 39286837 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2021131313001 its reverse (1003131311202), we get a palindrome (3024262624203).

The spelling of 2021131313001 in words is "two trillion, twenty-one billion, one hundred thirty-one million, three hundred thirteen thousand, one".