231241421534 has 8 divisors (see below), whose sum is σ = 347150947008. Its totient is φ = 115524439200.

The previous prime is 231241421533. The next prime is 231241421539. The reversal of 231241421534 is 435124142132.

231241421534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 231241421534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231241421533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48132782 + ... + 48137585.

It is an arithmetic number, because the mean of its divisors is an integer number (43393868376).

Almost surely, 2^231241421534 is an apocalyptic number.

231241421534 is a deficient number, since it is larger than the sum of its proper divisors (115909525474).

231241421534 is a wasteful number, since it uses less digits than its factorization.

231241421534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96271570.

The product of its digits is 23040, while the sum is 32.

Adding to 231241421534 its reverse (435124142132), we get a palindrome (666365563666).

The spelling of 231241421534 in words is "two hundred thirty-one billion, two hundred forty-one million, four hundred twenty-one thousand, five hundred thirty-four".