1003143231 has 32 divisors (see below), whose sum is σ = 1542758400. Its totient is φ = 643753440.

The previous prime is 1003143203. The next prime is 1003143277. The reversal of 1003143231 is 1323413001.

It is not a de Polignac number, because 1003143231 - 2⁷ = 1003143103 is a prime.

It is a super-2 number, since 2×1003143231² = 2012592683802238722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003143331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70930 + ... + 83888.

It is an arithmetic number, because the mean of its divisors is an integer number (48211200).

Almost surely, 2^1003143231 is an apocalyptic number.

1003143231 is a deficient number, since it is larger than the sum of its proper divisors (539615169).

1003143231 is a wasteful number, since it uses less digits than its factorization.

1003143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076 (or 13070 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1003143231 is about 31672.4364550629. The cubic root of 1003143231 is about 1001.0466478128.

Adding to 1003143231 its reverse (1323413001), we get a palindrome (2326556232).

The spelling of 1003143231 in words is "one billion, three million, one hundred forty-three thousand, two hundred thirty-one".