1131311002223 has 8 divisors (see below), whose sum is σ = 1134128767968. Its totient is φ = 1128495493984.

The previous prime is 1131311002163. The next prime is 1131311002259. The reversal of 1131311002223 is 3222001131311.

It is a happy number.

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 1131311002223 - 2⁸ = 1131311001967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131311002195 and 1131311002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131311202223) 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, 441365 + ... + 1567617.

It is an arithmetic number, because the mean of its divisors is an integer number (141766095996).

Almost surely, 2^{1131311002223} is an apocalyptic number.

1131311002223 is a deficient number, since it is larger than the sum of its proper divisors (2817765745).

1131311002223 is a wasteful number, since it uses less digits than its factorization.

1131311002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128753.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131311002223 its reverse (3222001131311), we get a palindrome (4353312133534).

The spelling of 1131311002223 in words is "one trillion, one hundred thirty-one billion, three hundred eleven million, two thousand, two hundred twenty-three".