2123301322331 has 16 divisors (see below), whose sum is σ = 2534615989248. Its totient is φ = 1739138148000.

The previous prime is 2123301322327. The next prime is 2123301322529. The reversal of 2123301322331 is 1332231033212.

It is a cyclic number.

It is not a de Polignac number, because 2123301322331 - 2² = 2123301322327 is a prime.

It is a super-2 number, since 2×2123301322331² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123301322331.

It is not an unprimeable number, because it can be changed into a prime (2123301322321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6294095 + ... + 6622856.

It is an arithmetic number, because the mean of its divisors is an integer number (158413499328).

Almost surely, 2^{2123301322331} is an apocalyptic number.

2123301322331 is a deficient number, since it is larger than the sum of its proper divisors (411314666917).

2123301322331 is a wasteful number, since it uses less digits than its factorization.

2123301322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918002.

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

Adding to 2123301322331 its reverse (1332231033212), we get a palindrome (3455532355543).

The spelling of 2123301322331 in words is "two trillion, one hundred twenty-three billion, three hundred one million, three hundred twenty-two thousand, three hundred thirty-one".