2231223021331 has 8 divisors (see below), whose sum is σ = 2292009804000. Its totient is φ = 2170739415360.

The previous prime is 2231223021281. The next prime is 2231223021341. The reversal of 2231223021331 is 1331203221322.

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

It is a cyclic number.

It is not a de Polignac number, because 2231223021331 - 2²⁹ = 2230686150419 is a prime.

It is a super-3 number, since 3×2231223021331³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231223021296 and 2231223021305.

It is not an unprimeable number, because it can be changed into a prime (2231223021341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75779256 + ... + 75808693.

It is an arithmetic number, because the mean of its divisors is an integer number (286501225500).

Almost surely, 2^{2231223021331} is an apocalyptic number.

2231223021331 is a deficient number, since it is larger than the sum of its proper divisors (60786782669).

2231223021331 is a wasteful number, since it uses less digits than its factorization.

2231223021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151588349.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2231223021331 its reverse (1331203221322), we get a palindrome (3562426242653).

The spelling of 2231223021331 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-three million, twenty-one thousand, three hundred thirty-one".