143131563002066 has 4 divisors (see below), whose sum is σ = 214697344503102. Its totient is φ = 71565781501032.

The previous prime is 143131563002023. The next prime is 143131563002117. The reversal of 143131563002066 is 660200365131341.

143131563002066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106280944840225 + 36850618161841 = 10309265^2 + 6070471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35782890750515 + ... + 35782890750518.

Almost surely, 2^{143131563002066} is an apocalyptic number.

143131563002066 is a deficient number, since it is larger than the sum of its proper divisors (71565781501036).

143131563002066 is an equidigital number, since it uses as much as digits as its factorization.

143131563002066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71565781501035.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 143131563002066 in words is "one hundred forty-three trillion, one hundred thirty-one billion, five hundred sixty-three million, two thousand, sixty-six".