2131032444323 has 4 divisors (see below), whose sum is σ = 2131035366000. Its totient is φ = 2131029522648.

The previous prime is 2131032444319. The next prime is 2131032444329. The reversal of 2131032444323 is 3234442301312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2131032444323 - 2² = 2131032444319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131032444323.

It is not an unprimeable number, because it can be changed into a prime (2131032444329) 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, 648053 + ... + 2163801.

It is an arithmetic number, because the mean of its divisors is an integer number (532758841500).

Almost surely, 2^{2131032444323} is an apocalyptic number.

2131032444323 is a deficient number, since it is larger than the sum of its proper divisors (2921677).

2131032444323 is a wasteful number, since it uses less digits than its factorization.

2131032444323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921676.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 2131032444323 its reverse (3234442301312), we get a palindrome (5365474745635).

The spelling of 2131032444323 in words is "two trillion, one hundred thirty-one billion, thirty-two million, four hundred forty-four thousand, three hundred twenty-three".