1131311102223 has 32 divisors (see below), whose sum is σ = 1545594504192. Its totient is φ = 735842620800.

The previous prime is 1131311102197. The next prime is 1131311102237. The reversal of 1131311102223 is 3222011131311.

It is not a de Polignac number, because 1131311102223 - 2¹⁷ = 1131310971151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131311102223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131311102293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11207365 + ... + 11307857.

It is an arithmetic number, because the mean of its divisors is an integer number (48299828256).

Almost surely, 2^{1131311102223} is an apocalyptic number.

1131311102223 is a deficient number, since it is larger than the sum of its proper divisors (414283401969).

1131311102223 is a wasteful number, since it uses less digits than its factorization.

1131311102223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101055.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1131311102223 its reverse (3222011131311), we get a palindrome (4353322233534).

The spelling of 1131311102223 in words is "one trillion, one hundred thirty-one billion, three hundred eleven million, one hundred two thousand, two hundred twenty-three".