1131212131313 has 8 divisors (see below), whose sum is σ = 1234154506080. Its totient is φ = 1028287241280.

The previous prime is 1131212131213. The next prime is 1131212131369. The reversal of 1131212131313 is 3131312121311.

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 1131212131313 - 2¹² = 1131212127217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1131212131393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4235720 + ... + 4494857.

It is an arithmetic number, because the mean of its divisors is an integer number (154269313260).

Almost surely, 2^{1131212131313} is an apocalyptic number.

It is an amenable number.

1131212131313 is a deficient number, since it is larger than the sum of its proper divisors (102942374767).

1131212131313 is a wasteful number, since it uses less digits than its factorization.

1131212131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8742367.

The product of its digits is 324, while the sum is 23.

Adding to 1131212131313 its reverse (3131312121311), we get a palindrome (4262524252624).

The spelling of 1131212131313 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, one hundred thirty-one thousand, three hundred thirteen".