231420002004 has 36 divisors (see below), whose sum is σ = 584992931796. Its totient is φ = 77138076288.

The previous prime is 231420001993. The next prime is 231420002119. The reversal of 231420002004 is 400200024132.

It can be written as a sum of positive squares in 2 ways, for example, as 64627808400 + 166792193604 = 254220^2 + 408402^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2810362 + ... + 2891534.

It is an arithmetic number, because the mean of its divisors is an integer number (16249803661).

Almost surely, 2^231420002004 is an apocalyptic number.

It is an amenable number.

231420002004 is an abundant number, since it is smaller than the sum of its proper divisors (353572929792).

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

231420002004 is a wasteful number, since it uses less digits than its factorization.

231420002004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160376 (or 160371 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 231420002004 its reverse (400200024132), we get a palindrome (631620026136).

The spelling of 231420002004 in words is "two hundred thirty-one billion, four hundred twenty million, two thousand, four".