1311223303300 has 72 divisors (see below), whose sum is σ = 2851453807776. Its totient is φ = 523366287360.

The previous prime is 1311223303267. The next prime is 1311223303301. The reversal of 1311223303300 is 33033221131.

It is a super-2 number, since 2×1311223303300² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311223303301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96173284 + ... + 96186916.

It is an arithmetic number, because the mean of its divisors is an integer number (39603525108).

Almost surely, 2^{1311223303300} is an apocalyptic number.

1311223303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311223303300 is an abundant number, since it is smaller than the sum of its proper divisors (1540230504476).

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

1311223303300 is a wasteful number, since it uses less digits than its factorization.

1311223303300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637 (or 15630 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1311223303300 its reverse (33033221131), we get a palindrome (1344256524431).

The spelling of 1311223303300 in words is "one trillion, three hundred eleven billion, two hundred twenty-three million, three hundred three thousand, three hundred".