1311430000 has 50 divisors (see below), whose sum is σ = 3175127384. Its totient is φ = 524568000.

The previous prime is 1311429937. The next prime is 1311430069. The reversal of 1311430000 is 341131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55572 + ... + 75571.

Almost surely, 2^1311430000 is an apocalyptic number.

1311430000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311430000 is an abundant number, since it is smaller than the sum of its proper divisors (1863697384).

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

1311430000 is an equidigital number, since it uses as much as digits as its factorization.

1311430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131171 (or 131150 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1311430000 is about 36213.6714515389. The cubic root of 1311430000 is about 1094.5821748461.

Adding to 1311430000 its reverse (341131), we get a palindrome (1311771131).

The spelling of 1311430000 in words is "one billion, three hundred eleven million, four hundred thirty thousand".