1213321031302 has 8 divisors (see below), whose sum is σ = 1820211918912. Its totient is φ = 606583725000.

The previous prime is 1213321031297. The next prime is 1213321031303. The reversal of 1213321031302 is 2031301233121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213321031303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38375574 + ... + 38407177.

It is an arithmetic number, because the mean of its divisors is an integer number (227526489864).

Almost surely, 2^{1213321031302} is an apocalyptic number.

1213321031302 is a deficient number, since it is larger than the sum of its proper divisors (606890887610).

1213321031302 is an equidigital number, since it uses as much as digits as its factorization.

1213321031302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76790654.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1213321031302 its reverse (2031301233121), we get a palindrome (3244622264423).

The spelling of 1213321031302 in words is "one trillion, two hundred thirteen billion, three hundred twenty-one million, thirty-one thousand, three hundred two".