2131023303331 has 8 divisors (see below), whose sum is σ = 2295216927360. Its totient is φ = 1966868072832.

The previous prime is 2131023303319. The next prime is 2131023303347. The reversal of 2131023303331 is 1333033201312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131023303331 - 2²¹ = 2131021206179 is a prime.

It is a super-2 number, since 2×2131023303331² (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 = 2131023303296 and 2131023303305.

It is not an unprimeable number, because it can be changed into a prime (2131023307331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9483046 + ... + 9705163.

It is an arithmetic number, because the mean of its divisors is an integer number (286902115920).

Almost surely, 2^{2131023303331} is an apocalyptic number.

2131023303331 is a deficient number, since it is larger than the sum of its proper divisors (164193624029).

2131023303331 is a wasteful number, since it uses less digits than its factorization.

2131023303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19196765.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 2131023303331 its reverse (1333033201312), we get a palindrome (3464056504643).

The spelling of 2131023303331 in words is "two trillion, one hundred thirty-one billion, twenty-three million, three hundred three thousand, three hundred thirty-one".