2131131201323 has 8 divisors (see below), whose sum is σ = 2167339557600. Its totient is φ = 2095094856960.

The previous prime is 2131131201319. The next prime is 2131131201427. The reversal of 2131131201323 is 3231021311312.

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 2131131201323 - 2² = 2131131201319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131131209323) 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, 42977990 + ... + 43027547.

It is an arithmetic number, because the mean of its divisors is an integer number (270917444700).

Almost surely, 2^{2131131201323} is an apocalyptic number.

2131131201323 is a deficient number, since it is larger than the sum of its proper divisors (36208356277).

2131131201323 is an equidigital number, since it uses as much as digits as its factorization.

2131131201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86005957.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2131131201323 its reverse (3231021311312), we get a palindrome (5362152512635).

The spelling of 2131131201323 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred one thousand, three hundred twenty-three".