231488273226 has 96 divisors (see below), whose sum is σ = 544982800320. Its totient is φ = 65352317184.

The previous prime is 231488273207. The next prime is 231488273227. The reversal of 231488273226 is 622372884132.

It is not an unprimeable number, because it can be changed into a prime (231488273227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73184721 + ... + 73187883.

It is an arithmetic number, because the mean of its divisors is an integer number (5676904170).

Almost surely, 2^231488273226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231488273226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272491400160).

231488273226 is an abundant number, since it is smaller than the sum of its proper divisors (313494527094).

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

231488273226 is a wasteful number, since it uses less digits than its factorization.

231488273226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068 (or 6061 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 231488273226 in words is "two hundred thirty-one billion, four hundred eighty-eight million, two hundred seventy-three thousand, two hundred twenty-six".