20132230302331 has 4 divisors (see below), whose sum is σ = 23008263202672. Its totient is φ = 17256197401992.

The previous prime is 20132230302281. The next prime is 20132230302397. The reversal of 20132230302331 is 13320303223102.

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 20132230302331 - 2²⁷ = 20132096084603 is a prime.

It is a super-2 number, since 2×20132230302331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132230302296 and 20132230302305.

It is not an unprimeable number, because it can be changed into a prime (20132230302031) 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, 1438016450160 + ... + 1438016450173.

It is an arithmetic number, because the mean of its divisors is an integer number (5752065800668).

Almost surely, 2^{20132230302331} is an apocalyptic number.

20132230302331 is a deficient number, since it is larger than the sum of its proper divisors (2876032900341).

20132230302331 is an equidigital number, since it uses as much as digits as its factorization.

20132230302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876032900340.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20132230302331 its reverse (13320303223102), we get a palindrome (33452533525433).

The spelling of 20132230302331 in words is "twenty trillion, one hundred thirty-two billion, two hundred thirty million, three hundred two thousand, three hundred thirty-one".