234220106251 has 4 divisors (see below), whose sum is σ = 234341402904. Its totient is φ = 234098809600.

The previous prime is 234220106233. The next prime is 234220106257. The reversal of 234220106251 is 152601022432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234220106251 - 2²⁷ = 234085888523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234220106257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60645430 + ... + 60649291.

It is an arithmetic number, because the mean of its divisors is an integer number (58585350726).

Almost surely, 2^234220106251 is an apocalyptic number.

234220106251 is a deficient number, since it is larger than the sum of its proper divisors (121296653).

234220106251 is a wasteful number, since it uses less digits than its factorization.

234220106251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121296652.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 234220106251 its reverse (152601022432), we get a palindrome (386821128683).

The spelling of 234220106251 in words is "two hundred thirty-four billion, two hundred twenty million, one hundred six thousand, two hundred fifty-one".