231226424151 has 4 divisors (see below), whose sum is σ = 308301898872. Its totient is φ = 154150949432.

The previous prime is 231226424141. The next prime is 231226424183. The reversal of 231226424151 is 151424622132.

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 231226424151 - 2²⁶ = 231159315287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231226424131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38537737356 + ... + 38537737361.

It is an arithmetic number, because the mean of its divisors is an integer number (77075474718).

Almost surely, 2^231226424151 is an apocalyptic number.

231226424151 is a deficient number, since it is larger than the sum of its proper divisors (77075474721).

231226424151 is an equidigital number, since it uses as much as digits as its factorization.

231226424151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77075474720.

The product of its digits is 23040, while the sum is 33.

The spelling of 231226424151 in words is "two hundred thirty-one billion, two hundred twenty-six million, four hundred twenty-four thousand, one hundred fifty-one".