1131213032233 has 8 divisors (see below), whose sum is σ = 1134022615200. Its totient is φ = 1128404739840.

The previous prime is 1131213032149. The next prime is 1131213032263. The reversal of 1131213032233 is 3322303121311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131213032233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131213032198 and 1131213032207.

It is not an unprimeable number, because it can be changed into a prime (1131213032263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444566 + ... + 2085472.

It is an arithmetic number, because the mean of its divisors is an integer number (141752826900).

Almost surely, 2^{1131213032233} is an apocalyptic number.

It is an amenable number.

1131213032233 is a deficient number, since it is larger than the sum of its proper divisors (2809582967).

1131213032233 is an equidigital number, since it uses as much as digits as its factorization.

1131213032233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645287.

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

Adding to 1131213032233 its reverse (3322303121311), we get a palindrome (4453516153544).

The spelling of 1131213032233 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, thirty-two thousand, two hundred thirty-three".