2131110322331 has 16 divisors (see below), whose sum is σ = 2219487360000. Its totient is φ = 2043765108000.

The previous prime is 2131110322321. The next prime is 2131110322387. The reversal of 2131110322331 is 1332230111312.

It is a cyclic number.

It is not a de Polignac number, because 2131110322331 - 2²² = 2131106128027 is a prime.

It is a super-2 number, since 2×2131110322331² (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 = 2131110322297 and 2131110322306.

It is not an unprimeable number, because it can be changed into a prime (2131110322321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2704406 + ... + 3402356.

It is an arithmetic number, because the mean of its divisors is an integer number (138717960000).

Almost surely, 2^{2131110322331} is an apocalyptic number.

2131110322331 is a deficient number, since it is larger than the sum of its proper divisors (88377037669).

2131110322331 is a wasteful number, since it uses less digits than its factorization.

2131110322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698690.

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

Adding to 2131110322331 its reverse (1332230111312), we get a palindrome (3463340433643).

The spelling of 2131110322331 in words is "two trillion, one hundred thirty-one billion, one hundred ten million, three hundred twenty-two thousand, three hundred thirty-one".