1131231032233 has 4 divisors (see below), whose sum is σ = 1131243164800. Its totient is φ = 1131218899668.

The previous prime is 1131231032231. The next prime is 1131231032257. The reversal of 1131231032233 is 3322301321311.

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 1131231032233 - 2¹ = 1131231032231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131231032198 and 1131231032207.

It is not an unprimeable number, because it can be changed into a prime (1131231032231) 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, 5925333 + ... + 6113266.

It is an arithmetic number, because the mean of its divisors is an integer number (282810791200).

Almost surely, 2^{1131231032233} is an apocalyptic number.

It is an amenable number.

1131231032233 is a deficient number, since it is larger than the sum of its proper divisors (12132567).

1131231032233 is an equidigital number, since it uses as much as digits as its factorization.

1131231032233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132566.

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

Adding to 1131231032233 its reverse (3322301321311), we get a palindrome (4453532353544).

The spelling of 1131231032233 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-one million, thirty-two thousand, two hundred thirty-three".