1310320200 has 96 divisors (see below), whose sum is σ = 4642292160. Its totient is φ = 299500800.

The previous prime is 1310320157. The next prime is 1310320223. The reversal of 1310320200 is 20230131.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151791 + ... + 160190.

It is an arithmetic number, because the mean of its divisors is an integer number (48357210).

Almost surely, 2^1310320200 is an apocalyptic number.

1310320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310320200 is an abundant number, since it is smaller than the sum of its proper divisors (3331971960).

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

1310320200 is a wasteful number, since it uses less digits than its factorization.

1310320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312007 (or 311998 counting only the distinct ones).

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

The square root of 1310320200 is about 36198.3452660477. The cubic root of 1310320200 is about 1094.2733236620.

Adding to 1310320200 its reverse (20230131), we get a palindrome (1330550331).

The spelling of 1310320200 in words is "one billion, three hundred ten million, three hundred twenty thousand, two hundred".