1313203230 has 96 divisors (see below), whose sum is σ = 3614513760. Its totient is φ = 330220800.

The previous prime is 1313203163. The next prime is 1313203237. The reversal of 1313203230 is 323023131.

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 (1313203237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106380 + ... + 118080.

It is an arithmetic number, because the mean of its divisors is an integer number (37651185).

Almost surely, 2^1313203230 is an apocalyptic number.

1313203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313203230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807256880).

1313203230 is an abundant number, since it is smaller than the sum of its proper divisors (2301310530).

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

1313203230 is a wasteful number, since it uses less digits than its factorization.

1313203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11786 (or 11783 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1313203230 is about 36238.1460618503. The cubic root of 1313203230 is about 1095.0752935028.

Adding to 1313203230 its reverse (323023131), we get a palindrome (1636226361).

The spelling of 1313203230 in words is "one billion, three hundred thirteen million, two hundred three thousand, two hundred thirty".