2000143231 has 4 divisors (see below), whose sum is σ = 2000457864. Its totient is φ = 1999828600.

The previous prime is 2000143207. The next prime is 2000143259. The reversal of 2000143231 is 1323410002.

It is a happy number.

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 2000143231 - 2¹⁷ = 2000012159 is a prime.

It is a super-2 number, since 2×2000143231² = 8001145889030238722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000143291) 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, 147580 + ... + 160561.

It is an arithmetic number, because the mean of its divisors is an integer number (500114466).

Almost surely, 2^2000143231 is an apocalyptic number.

2000143231 is a deficient number, since it is larger than the sum of its proper divisors (314633).

2000143231 is an equidigital number, since it uses as much as digits as its factorization.

2000143231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314632.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2000143231 is about 44722.9608925885. The cubic root of 2000143231 is about 1259.9511258022.

Adding to 2000143231 its reverse (1323410002), we get a palindrome (3323553233).

The spelling of 2000143231 in words is "two billion, one hundred forty-three thousand, two hundred thirty-one".