231341004 has 72 divisors (see below), whose sum is σ = 613660320. Its totient is φ = 73382400.

The previous prime is 231340999. The next prime is 231341027. The reversal of 231341004 is 400143132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72564 + ... + 75684.

It is an arithmetic number, because the mean of its divisors is an integer number (8523060).

Almost surely, 2^231341004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231341004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306830160).

231341004 is an abundant number, since it is smaller than the sum of its proper divisors (382319316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231341004 is a wasteful number, since it uses less digits than its factorization.

231341004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231 (or 3226 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 231341004 is about 15209.8982245116. The cubic root of 231341004 is about 613.8810190077.

Adding to 231341004 its reverse (400143132), we get a palindrome (631484136).

The spelling of 231341004 in words is "two hundred thirty-one million, three hundred forty-one thousand, four".