1310143998 has 16 divisors (see below), whose sum is σ = 2774422800. Its totient is φ = 411025536.

The previous prime is 1310143987. The next prime is 1310144039. The reversal of 1310143998 is 8993410131.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6422173 + ... + 6422376.

It is an arithmetic number, because the mean of its divisors is an integer number (173401425).

Almost surely, 2^1310143998 is an apocalyptic number.

1310143998 is an abundant number, since it is smaller than the sum of its proper divisors (1464278802).

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

1310143998 is a wasteful number, since it uses less digits than its factorization.

1310143998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844571.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1310143998 is about 36195.9113436863. The cubic root of 1310143998 is about 1094.2242715826.

The spelling of 1310143998 in words is "one billion, three hundred ten million, one hundred forty-three thousand, nine hundred ninety-eight".