1131313323213 has 12 divisors (see below), whose sum is σ = 1634150496160. Its totient is φ = 754194458376.

The previous prime is 1131313323149. The next prime is 1131313323223. The reversal of 1131313323213 is 3123233131311.

1131313323213 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 3 + 1 + 332 + 321 + 3 = 666.

It is not a de Polignac number, because 1131313323213 - 2⁶ = 1131313323149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131313323223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693931 + ... + 1656552.

Almost surely, 2^{1131313323213} is an apocalyptic number.

It is an amenable number.

1131313323213 is a deficient number, since it is larger than the sum of its proper divisors (502837172947).

1131313323213 is a wasteful number, since it uses less digits than its factorization.

1131313323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403968 (or 2403965 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

Adding to 1131313323213 its reverse (3123233131311), we get a palindrome (4254546454524).

The spelling of 1131313323213 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, three hundred twenty-three thousand, two hundred thirteen".