1317830000 has 50 divisors (see below), whose sum is σ = 3190622424. Its totient is φ = 527128000.

The previous prime is 1317829991. The next prime is 1317830009. The reversal of 1317830000 is 387131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1317829991) and next prime (1317830009).

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317830009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55892 + ... + 75891.

Almost surely, 2^1317830000 is an apocalyptic number.

1317830000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1317830000 is an abundant number, since it is smaller than the sum of its proper divisors (1872792424).

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

1317830000 is an equidigital number, since it uses as much as digits as its factorization.

1317830000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131811 (or 131790 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1317830000 is about 36301.9283234376. The cubic root of 1317830000 is about 1096.3598681505.

The spelling of 1317830000 in words is "one billion, three hundred seventeen million, eight hundred thirty thousand".