231413004 has 24 divisors (see below), whose sum is σ = 599959920. Its totient is φ = 77137632.

The previous prime is 231413003. The next prime is 231413009. The reversal of 231413004 is 400314132.

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

It is not an unprimeable number, because it can be changed into a prime (231413003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071249 + ... + 1071464.

It is an arithmetic number, because the mean of its divisors is an integer number (24998330).

Almost surely, 2^231413004 is an apocalyptic number.

It is an amenable number.

231413004 is an abundant number, since it is smaller than the sum of its proper divisors (368546916).

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

231413004 is a wasteful number, since it uses less digits than its factorization.

231413004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142726 (or 2142718 counting only the distinct ones).

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

The square root of 231413004 is about 15212.2649201228. The cubic root of 231413004 is about 613.9446982345.

Adding to 231413004 its reverse (400314132), we get a palindrome (631727136).

The spelling of 231413004 in words is "two hundred thirty-one million, four hundred thirteen thousand, four".