203141143987 has 2 divisors, whose sum is σ = 203141143988. Its totient is φ = 203141143986.

The previous prime is 203141143979. The next prime is 203141144027. The reversal of 203141143987 is 789341141302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203141143987 - 2³ = 203141143979 is a prime.

It is not a weakly prime, because it can be changed into another prime (203141143487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101570571993 + 101570571994.

It is an arithmetic number, because the mean of its divisors is an integer number (101570571994).

Almost surely, 2^203141143987 is an apocalyptic number.

203141143987 is a deficient number, since it is larger than the sum of its proper divisors (1).

203141143987 is an equidigital number, since it uses as much as digits as its factorization.

203141143987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 203141143987 in words is "two hundred three billion, one hundred forty-one million, one hundred forty-three thousand, nine hundred eighty-seven".