231400002 has 8 divisors (see below), whose sum is σ = 462800016. Its totient is φ = 77133332.

The previous prime is 231399967. The next prime is 231400003. The reversal of 231400002 is 200004132.

It is a sphenic number, since it is the product of 3 distinct primes.

231400002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (231400003) 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 3 ways as a sum of consecutive naturals, for example, 19283328 + ... + 19283339.

It is an arithmetic number, because the mean of its divisors is an integer number (57850002).

Almost surely, 2^231400002 is an apocalyptic number.

231400002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231400002 is a wasteful number, since it uses less digits than its factorization.

231400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38566672.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 231400002 is about 15211.8375615834. The cubic root of 231400002 is about 613.9331998048.

Adding to 231400002 its reverse (200004132), we get a palindrome (431404134).

The spelling of 231400002 in words is "two hundred thirty-one million, four hundred thousand, two".