231242603700 has 288 divisors, whose sum is σ = 737575542144. Its totient is φ = 55691919360.

The previous prime is 231242603639. The next prime is 231242603701. The reversal of 231242603700 is 7306242132.

231242603700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231242603701) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 13766707 + ... + 13783493.

It is an arithmetic number, because the mean of its divisors is an integer number (2561026188).

Almost surely, 2^231242603700 is an apocalyptic number.

231242603700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231242603700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368787771072).

231242603700 is an abundant number, since it is smaller than the sum of its proper divisors (506332938444).

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

231242603700 is a wasteful number, since it uses less digits than its factorization.

231242603700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16931 (or 16924 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 231242603700 its reverse (7306242132), we get a palindrome (238548845832).

The spelling of 231242603700 in words is "two hundred thirty-one billion, two hundred forty-two million, six hundred three thousand, seven hundred".