1230011131321 has 4 divisors (see below), whose sum is σ = 1405727007232. Its totient is φ = 1054295255412.

The previous prime is 1230011131301. The next prime is 1230011131381. The reversal of 1230011131321 is 1231311100321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1230011131321 - 2²³ = 1230002742713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230011131301) 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 3 ways as a sum of consecutive naturals, for example, 87857937945 + ... + 87857937958.

It is an arithmetic number, because the mean of its divisors is an integer number (351431751808).

Almost surely, 2^{1230011131321} is an apocalyptic number.

It is an amenable number.

1230011131321 is a deficient number, since it is larger than the sum of its proper divisors (175715875911).

1230011131321 is an equidigital number, since it uses as much as digits as its factorization.

1230011131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175715875910.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1230011131321 its reverse (1231311100321), we get a palindrome (2461322231642).

The spelling of 1230011131321 in words is "one trillion, two hundred thirty billion, eleven million, one hundred thirty-one thousand, three hundred twenty-one".