2231230121333 has 4 divisors (see below), whose sum is σ = 2231244546528. Its totient is φ = 2231215696140.

The previous prime is 2231230121321. The next prime is 2231230121357. The reversal of 2231230121333 is 3331210321322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2231230121333 - 2¹⁸ = 2231229859189 is a prime.

It is a super-3 number, since 3×2231230121333³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231230121363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6978041 + ... + 7290782.

It is an arithmetic number, because the mean of its divisors is an integer number (557811136632).

Almost surely, 2^{2231230121333} is an apocalyptic number.

It is an amenable number.

2231230121333 is a deficient number, since it is larger than the sum of its proper divisors (14425195).

2231230121333 is a wasteful number, since it uses less digits than its factorization.

2231230121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14425194.

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

Adding to 2231230121333 its reverse (3331210321322), we get a palindrome (5562440442655).

The spelling of 2231230121333 in words is "two trillion, two hundred thirty-one billion, two hundred thirty million, one hundred twenty-one thousand, three hundred thirty-three".