100000143231 has 16 divisors (see below), whose sum is σ = 134749016064. Its totient is φ = 65960180064.

The previous prime is 100000143211. The next prime is 100000143241. The reversal of 100000143231 is 132341000001.

It is not a de Polignac number, because 100000143231 - 2⁹ = 100000142719 is a prime.

It is a super-2 number, since 2×100000143231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100000143231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000143211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200290 + ... + 490016.

It is an arithmetic number, because the mean of its divisors is an integer number (8421813504).

Almost surely, 2^100000143231 is an apocalyptic number.

100000143231 is a deficient number, since it is larger than the sum of its proper divisors (34748872833).

100000143231 is a wasteful number, since it uses less digits than its factorization.

100000143231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290950.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100000143231 its reverse (132341000001), we get a palindrome (232341143232).

The spelling of 100000143231 in words is "one hundred billion, one hundred forty-three thousand, two hundred thirty-one".