2131332012323 has 4 divisors (see below), whose sum is σ = 2131553597160. Its totient is φ = 2131110427488.

The previous prime is 2131332012317. The next prime is 2131332012371. The reversal of 2131332012323 is 3232102331312.

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 2131332012323 - 2⁶ = 2131332012259 is a prime.

It is a super-2 number, since 2×2131332012323² (a number of 25 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 = 2131332012292 and 2131332012301.

It is not an unprimeable number, because it can be changed into a prime (2131332012373) 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, 110777990 + ... + 110797227.

It is an arithmetic number, because the mean of its divisors is an integer number (532888399290).

Almost surely, 2^{2131332012323} is an apocalyptic number.

2131332012323 is a deficient number, since it is larger than the sum of its proper divisors (221584837).

2131332012323 is an equidigital number, since it uses as much as digits as its factorization.

2131332012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221584836.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2131332012323 its reverse (3232102331312), we get a palindrome (5363434343635).

The spelling of 2131332012323 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-two million, twelve thousand, three hundred twenty-three".