1311033212103 has 8 divisors (see below), whose sum is σ = 1759620735616. Its totient is φ = 868233915000.

The previous prime is 1311033212101. The next prime is 1311033212107. The reversal of 1311033212103 is 3012123301131.

It is a happy number.

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

It is not a de Polignac number, because 1311033212103 - 2¹ = 1311033212101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311033212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311033212101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447056073 + ... + 1447056978.

It is an arithmetic number, because the mean of its divisors is an integer number (219952591952).

Almost surely, 2^{1311033212103} is an apocalyptic number.

1311033212103 is a deficient number, since it is larger than the sum of its proper divisors (448587523513).

1311033212103 is a wasteful number, since it uses less digits than its factorization.

1311033212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894113205.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1311033212103 its reverse (3012123301131), we get a palindrome (4323156513234).

The spelling of 1311033212103 in words is "one trillion, three hundred eleven billion, thirty-three million, two hundred twelve thousand, one hundred three".