2021232131113 has 8 divisors (see below), whose sum is σ = 2177665837256. Its totient is φ = 1864934755200.

The previous prime is 2021232131077. The next prime is 2021232131117. The reversal of 2021232131113 is 3111312321202.

It can be written as a sum of positive squares in 4 ways, for example, as 32108339344 + 1989123791769 = 179188^2 + 1410363^2 .

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 2021232131113 - 2²⁵ = 2021198576681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021232131117) 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, 34051758 + ... + 34111063.

It is an arithmetic number, because the mean of its divisors is an integer number (272208229657).

Almost surely, 2^{2021232131113} is an apocalyptic number.

It is an amenable number.

2021232131113 is a deficient number, since it is larger than the sum of its proper divisors (156433706143).

2021232131113 is a wasteful number, since it uses less digits than its factorization.

2021232131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68165115.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2021232131113 its reverse (3111312321202), we get a palindrome (5132544452315).

The spelling of 2021232131113 in words is "two trillion, twenty-one billion, two hundred thirty-two million, one hundred thirty-one thousand, one hundred thirteen".