2132020321231 has 4 divisors (see below), whose sum is σ = 2133636714000. Its totient is φ = 2130403928464.

The previous prime is 2132020321229. The next prime is 2132020321253. The reversal of 2132020321231 is 1321230202312.

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 2132020321231 - 2¹ = 2132020321229 is a prime.

It is a super-2 number, since 2×2132020321231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132020321271) 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, 808194406 + ... + 808197043.

It is an arithmetic number, because the mean of its divisors is an integer number (533409178500).

Almost surely, 2^{2132020321231} is an apocalyptic number.

2132020321231 is a deficient number, since it is larger than the sum of its proper divisors (1616392769).

2132020321231 is a wasteful number, since it uses less digits than its factorization.

2132020321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616392768.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2132020321231 its reverse (1321230202312), we get a palindrome (3453250523543).

The spelling of 2132020321231 in words is "two trillion, one hundred thirty-two billion, twenty million, three hundred twenty-one thousand, two hundred thirty-one".