231003004 has 12 divisors (see below), whose sum is σ = 428035104. Its totient is φ = 108707264.

The previous prime is 231002999. The next prime is 231003013. The reversal of 231003004 is 400300132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698484 + ... + 1698619.

It is an arithmetic number, because the mean of its divisors is an integer number (35669592).

Almost surely, 2^231003004 is an apocalyptic number.

It is an amenable number.

231003004 is a deficient number, since it is larger than the sum of its proper divisors (197032100).

231003004 is a wasteful number, since it uses less digits than its factorization.

231003004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397124 (or 3397122 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 231003004 is about 15198.7829775940. The cubic root of 231003004 is about 613.5819036835.

Adding to 231003004 its reverse (400300132), we get a palindrome (631303136).

The spelling of 231003004 in words is "two hundred thirty-one million, three thousand, four".