143201011 has 4 divisors (see below), whose sum is σ = 143843392. Its totient is φ = 142558632.

The previous prime is 143200991. The next prime is 143201027. The reversal of 143201011 is 110102341.

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

It is a cyclic number.

It is not a de Polignac number, because 143201011 - 2¹¹ = 143198963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143200982 and 143201000.

It is not an unprimeable number, because it can be changed into a prime (143201711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320856 + ... + 321301.

It is an arithmetic number, because the mean of its divisors is an integer number (35960848).

Almost surely, 2^143201011 is an apocalyptic number.

143201011 is a deficient number, since it is larger than the sum of its proper divisors (642381).

143201011 is an equidigital number, since it uses as much as digits as its factorization.

143201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642380.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 143201011 is about 11966.6624837504. The cubic root of 143201011 is about 523.1770620358.

Adding to 143201011 its reverse (110102341), we get a palindrome (253303352).

The spelling of 143201011 in words is "one hundred forty-three million, two hundred one thousand, eleven".