143311201994 has 8 divisors (see below), whose sum is σ = 222379451460. Its totient is φ = 69184718176.

The previous prime is 143311201991. The next prime is 143311201997. The reversal of 143311201994 is 499102113341.

It is an interprime number because it is at equal distance from previous prime (143311201991) and next prime (143311201997).

It can be written as a sum of positive squares in 2 ways, for example, as 142534186369 + 777015625 = 377537^2 + 27875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (143311201991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235441339 + ... + 1235441454.

Almost surely, 2^143311201994 is an apocalyptic number.

143311201994 is a deficient number, since it is larger than the sum of its proper divisors (79068249466).

143311201994 is a wasteful number, since it uses less digits than its factorization.

143311201994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470882824.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 143311201994 in words is "one hundred forty-three billion, three hundred eleven million, two hundred one thousand, nine hundred ninety-four".