1311230122103 has 8 divisors (see below), whose sum is σ = 1431227125776. Its totient is φ = 1191365496000.

The previous prime is 1311230122087. The next prime is 1311230122151. The reversal of 1311230122103 is 3012210321131.

It is a happy number.

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 1311230122103 - 2⁴ = 1311230122087 is a prime.

It is a super-2 number, since 2×1311230122103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311230122193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33073676 + ... + 33113297.

It is an arithmetic number, because the mean of its divisors is an integer number (178903390722).

Almost surely, 2^{1311230122103} is an apocalyptic number.

1311230122103 is a deficient number, since it is larger than the sum of its proper divisors (119997003673).

1311230122103 is a wasteful number, since it uses less digits than its factorization.

1311230122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66188785.

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

Adding to 1311230122103 its reverse (3012210321131), we get a palindrome (4323440443234).

The spelling of 1311230122103 in words is "one trillion, three hundred eleven billion, two hundred thirty million, one hundred twenty-two thousand, one hundred three".