231101223234 has 64 divisors (see below), whose sum is σ = 559365979392. Its totient is φ = 62137958400.

The previous prime is 231101223191. The next prime is 231101223289. The reversal of 231101223234 is 432322101132.

231101223234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231101223234² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 12786564 + ... + 12804624.

It is an arithmetic number, because the mean of its divisors is an integer number (8740093428).

Almost surely, 2^231101223234 is an apocalyptic number.

231101223234 is an abundant number, since it is smaller than the sum of its proper divisors (328264756158).

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

231101223234 is a wasteful number, since it uses less digits than its factorization.

231101223234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36011.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231101223234 its reverse (432322101132), we get a palindrome (663423324366).

The spelling of 231101223234 in words is "two hundred thirty-one billion, one hundred one million, two hundred twenty-three thousand, two hundred thirty-four".