231400424142 has 48 divisors (see below), whose sum is σ = 504257251680. Its totient is φ = 76689115200.

The previous prime is 231400424071. The next prime is 231400424153. The reversal of 231400424142 is 241424004132.

231400424142 is a `hidden beast` number, since 231 + 4 + 0 + 0 + 424 + 1 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26812284 + ... + 26820912.

It is an arithmetic number, because the mean of its divisors is an integer number (10505359410).

Almost surely, 2^231400424142 is an apocalyptic number.

231400424142 is an abundant number, since it is smaller than the sum of its proper divisors (272856827538).

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

231400424142 is a wasteful number, since it uses less digits than its factorization.

231400424142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17049 (or 17046 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 231400424142 its reverse (241424004132), we get a palindrome (472824428274).

The spelling of 231400424142 in words is "two hundred thirty-one billion, four hundred million, four hundred twenty-four thousand, one hundred forty-two".