1311113121230 has 24 divisors (see below), whose sum is σ = 2594053566216. Its totient is φ = 476768407280.

The previous prime is 1311113121211. The next prime is 1311113121247. The reversal of 1311113121230 is 321213111131.

It is a super-2 number, since 2×1311113121230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541781072 + ... + 541783491.

It is an arithmetic number, because the mean of its divisors is an integer number (108085565259).

Almost surely, 2^{1311113121230} is an apocalyptic number.

1311113121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311113121230 is a deficient number, since it is larger than the sum of its proper divisors (1282940444986).

1311113121230 is a wasteful number, since it uses less digits than its factorization.

1311113121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083564592 (or 1083564581 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1311113121230 its reverse (321213111131), we get a palindrome (1632326232361).

The spelling of 1311113121230 in words is "one trillion, three hundred eleven billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred thirty".