231421021241234 has 16 divisors (see below), whose sum is σ = 378717713520480. Its totient is φ = 105183381716160.

The previous prime is 231421021241213. The next prime is 231421021241287. The reversal of 231421021241234 is 432142120124132.

It is a self number, because there is not a number n which added to its sum of digits gives 231421021241234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399282599 + ... + 399861770.

It is an arithmetic number, because the mean of its divisors is an integer number (23669857095030).

Almost surely, 2^{231421021241234} is an apocalyptic number.

231421021241234 is a deficient number, since it is larger than the sum of its proper divisors (147296692279246).

231421021241234 is a wasteful number, since it uses less digits than its factorization.

231421021241234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799157545.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 231421021241234 its reverse (432142120124132), we get a palindrome (663563141365366).

The spelling of 231421021241234 in words is "two hundred thirty-one trillion, four hundred twenty-one billion, twenty-one million, two hundred forty-one thousand, two hundred thirty-four".