1311114402 has 96 divisors (see below), whose sum is σ = 3247171200. Its totient is φ = 379247616.

The previous prime is 1311114377. The next prime is 1311114407. The reversal of 1311114402 is 2044111131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1311114407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315474 + ... + 319602.

It is an arithmetic number, because the mean of its divisors is an integer number (33824700).

Almost surely, 2^1311114402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311114402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623585600).

1311114402 is an abundant number, since it is smaller than the sum of its proper divisors (1936056798).

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

1311114402 is a wasteful number, since it uses less digits than its factorization.

1311114402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1311114402 is about 36209.3137466039. The cubic root of 1311114402 is about 1094.4943634088.

Adding to 1311114402 its reverse (2044111131), we get a palindrome (3355225533).

The spelling of 1311114402 in words is "one billion, three hundred eleven million, one hundred fourteen thousand, four hundred two".