1233013221331 has 4 divisors (see below), whose sum is σ = 1241288478000. Its totient is φ = 1224737964664.

The previous prime is 1233013221289. The next prime is 1233013221361. The reversal of 1233013221331 is 1331223103321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1233013221331 - 2¹⁷ = 1233013090259 is a prime.

It is a super-2 number, since 2×1233013221331² (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 = 1233013221296 and 1233013221305.

It is not an unprimeable number, because it can be changed into a prime (1233013221361) 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, 4137628111 + ... + 4137628408.

It is an arithmetic number, because the mean of its divisors is an integer number (310322119500).

Almost surely, 2^{1233013221331} is an apocalyptic number.

1233013221331 is a deficient number, since it is larger than the sum of its proper divisors (8275256669).

1233013221331 is an equidigital number, since it uses as much as digits as its factorization.

1233013221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275256668.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1233013221331 its reverse (1331223103321), we get a palindrome (2564236324652).

The spelling of 1233013221331 in words is "one trillion, two hundred thirty-three billion, thirteen million, two hundred twenty-one thousand, three hundred thirty-one".