1231201330113 has 8 divisors (see below), whose sum is σ = 1641828888000. Its totient is φ = 820687329488.

The previous prime is 1231201330103. The next prime is 1231201330127. The reversal of 1231201330113 is 3110331021321.

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 1231201330113 - 2²¹ = 1231199232961 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231201330113.

It is not an unprimeable number, because it can be changed into a prime (1231201330103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28364013 + ... + 28407386.

It is an arithmetic number, because the mean of its divisors is an integer number (205228611000).

Almost surely, 2^{1231201330113} is an apocalyptic number.

It is an amenable number.

1231201330113 is a deficient number, since it is larger than the sum of its proper divisors (410627557887).

1231201330113 is an equidigital number, since it uses as much as digits as its factorization.

1231201330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56778631.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1231201330113 its reverse (3110331021321), we get a palindrome (4341532351434).

The spelling of 1231201330113 in words is "one trillion, two hundred thirty-one billion, two hundred one million, three hundred thirty thousand, one hundred thirteen".