231030004 has 12 divisors (see below), whose sum is σ = 412905024. Its totient is φ = 113057144.

The previous prime is 231030001. The next prime is 231030031. The reversal of 231030004 is 400030132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231030001) 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, 614254 + ... + 614629.

It is an arithmetic number, because the mean of its divisors is an integer number (34408752).

Almost surely, 2^231030004 is an apocalyptic number.

It is an amenable number.

231030004 is a deficient number, since it is larger than the sum of its proper divisors (181875020).

231030004 is a wasteful number, since it uses less digits than its factorization.

231030004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228934 (or 1228932 counting only the distinct ones).

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

The square root of 231030004 is about 15199.6711806539. The cubic root of 231030004 is about 613.6058082297.

Adding to 231030004 its reverse (400030132), we get a palindrome (631060136).

The spelling of 231030004 in words is "two hundred thirty-one million, thirty thousand, four".