1233133223131 has 4 divisors (see below), whose sum is σ = 1261810739992. Its totient is φ = 1204455706272.

The previous prime is 1233133223129. The next prime is 1233133223221. The reversal of 1233133223131 is 1313223313321.

It is a happy number.

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 1233133223131 - 2¹ = 1233133223129 is a prime.

It is a super-2 number, since 2×1233133223131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233133223131.

It is not an unprimeable number, because it can be changed into a prime (1233133293131) 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, 14338758366 + ... + 14338758451.

It is an arithmetic number, because the mean of its divisors is an integer number (315452684998).

Almost surely, 2^{1233133223131} is an apocalyptic number.

1233133223131 is a deficient number, since it is larger than the sum of its proper divisors (28677516861).

1233133223131 is an equidigital number, since it uses as much as digits as its factorization.

1233133223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28677516860.

The product of its digits is 5832, while the sum is 28.

Adding to 1233133223131 its reverse (1313223313321), we get a palindrome (2546356536452).

The spelling of 1233133223131 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-three million, two hundred twenty-three thousand, one hundred thirty-one".