1313120214 has 64 divisors (see below), whose sum is σ = 3343610880. Its totient is φ = 374198400.

The previous prime is 1313120213. The next prime is 1313120219. The reversal of 1313120214 is 4120213131.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147247 + ... + 155909.

It is an arithmetic number, because the mean of its divisors is an integer number (52243920).

Almost surely, 2^1313120214 is an apocalyptic number.

1313120214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313120214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671805440).

1313120214 is an abundant number, since it is smaller than the sum of its proper divisors (2030490666).

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

1313120214 is a wasteful number, since it uses less digits than its factorization.

1313120214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082 (or 9076 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1313120214 is about 36237.0006209123. Note that the first 3 decimals coincide. The cubic root of 1313120214 is about 1095.0522174386.

Adding to 1313120214 its reverse (4120213131), we get a palindrome (5433333345).

The spelling of 1313120214 in words is "one billion, three hundred thirteen million, one hundred twenty thousand, two hundred fourteen".