1231322230213 has 8 divisors (see below), whose sum is σ = 1232630179200. Its totient is φ = 1230014478528.

The previous prime is 1231322230207. The next prime is 1231322230241. The reversal of 1231322230213 is 3120322231321.

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 1231322230213 - 2²¹ = 1231320133061 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 (1231322230913) 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, 14777773 + ... + 14860861.

It is an arithmetic number, because the mean of its divisors is an integer number (154078772400).

Almost surely, 2^{1231322230213} is an apocalyptic number.

It is an amenable number.

1231322230213 is a deficient number, since it is larger than the sum of its proper divisors (1307948987).

1231322230213 is a wasteful number, since it uses less digits than its factorization.

1231322230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98651.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1231322230213 its reverse (3120322231321), we get a palindrome (4351644461534).

The spelling of 1231322230213 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty thousand, two hundred thirteen".