1311402114 has 72 divisors (see below), whose sum is σ = 3224073216. Its totient is φ = 384555600.

The previous prime is 1311402091. The next prime is 1311402119. The reversal of 1311402114 is 4112041131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311402119) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57807 + ... + 77229.

Almost surely, 2^1311402114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311402114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612036608).

1311402114 is an abundant number, since it is smaller than the sum of its proper divisors (1912671102).

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

1311402114 is a wasteful number, since it uses less digits than its factorization.

1311402114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19484 (or 19470 counting only the distinct ones).

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

The square root of 1311402114 is about 36213.2864291547. The cubic root of 1311402114 is about 1094.5744164616.

Adding to 1311402114 its reverse (4112041131), we get a palindrome (5423443245).

The spelling of 1311402114 in words is "one billion, three hundred eleven million, four hundred two thousand, one hundred fourteen".