1213010311304 has 64 divisors (see below), whose sum is σ = 2520205228800. Its totient is φ = 542704219200.

The previous prime is 1213010311267. The next prime is 1213010311321. The reversal of 1213010311304 is 4031130103121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341359 + ... + 7504769.

It is an arithmetic number, because the mean of its divisors is an integer number (39378206700).

Almost surely, 2^{1213010311304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213010311304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260102614400).

1213010311304 is an abundant number, since it is smaller than the sum of its proper divisors (1307194917496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213010311304 is a wasteful number, since it uses less digits than its factorization.

1213010311304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164754 (or 164750 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213010311304 its reverse (4031130103121), we get a palindrome (5244140414425).

The spelling of 1213010311304 in words is "one trillion, two hundred thirteen billion, ten million, three hundred eleven thousand, three hundred four".