231562034228 has 24 divisors (see below), whose sum is σ = 479093865600. Its totient is φ = 95818772448.

The previous prime is 231562034203. The next prime is 231562034233. The reversal of 231562034228 is 822430265132.

It is a happy number.

231562034228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231562034191 and 231562034200.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 142586648 + ... + 142588271.

It is an arithmetic number, because the mean of its divisors is an integer number (19962244400).

Almost surely, 2^231562034228 is an apocalyptic number.

231562034228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231562034228 is an abundant number, since it is smaller than the sum of its proper divisors (247531831372).

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

231562034228 is a wasteful number, since it uses less digits than its factorization.

231562034228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285174959 (or 285174957 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 231562034228 in words is "two hundred thirty-one billion, five hundred sixty-two million, thirty-four thousand, two hundred twenty-eight".