2331312000121 has 32 divisors (see below), whose sum is σ = 2556504518400. Its totient is φ = 2113013827584.

The previous prime is 2331312000097. The next prime is 2331312000137. The reversal of 2331312000121 is 1210002131332.

It is a cyclic number.

It is not a de Polignac number, because 2331312000121 - 2¹¹ = 2331311998073 is a prime.

It is a super-3 number, since 3×2331312000121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331312000151) 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 31 ways as a sum of consecutive naturals, for example, 209776861 + ... + 209787973.

It is an arithmetic number, because the mean of its divisors is an integer number (79890766200).

Almost surely, 2^{2331312000121} is an apocalyptic number.

It is an amenable number.

2331312000121 is a deficient number, since it is larger than the sum of its proper divisors (225192518279).

2331312000121 is a wasteful number, since it uses less digits than its factorization.

2331312000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2331312000121 its reverse (1210002131332), we get a palindrome (3541314131453).

The spelling of 2331312000121 in words is "two trillion, three hundred thirty-one billion, three hundred twelve million, one hundred twenty-one", and thus it is an aban number.