1310203200 has 84 divisors (see below), whose sum is σ = 4298574080. Its totient is φ = 349386240.

The previous prime is 1310203187. The next prime is 1310203207. The reversal of 1310203200 is 23020131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310203207) 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 11 ways as a sum of consecutive naturals, for example, 131680 + ... + 141279.

Almost surely, 2^1310203200 is an apocalyptic number.

1310203200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310203200 is an abundant number, since it is smaller than the sum of its proper divisors (2988370880).

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

1310203200 is a wasteful number, since it uses less digits than its factorization.

1310203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272984 (or 272969 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1310203200 is about 36196.7291339977. The cubic root of 1310203200 is about 1094.2407530507.

Adding to 1310203200 its reverse (23020131), we get a palindrome (1333223331).

The spelling of 1310203200 in words is "one billion, three hundred ten million, two hundred three thousand, two hundred".