231253541130 has 32 divisors (see below), whose sum is σ = 563292212544. Its totient is φ = 60747198336.

The previous prime is 231253541107. The next prime is 231253541137. The reversal of 231253541130 is 31145352132.

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

It is not an unprimeable number, because it can be changed into a prime (231253541137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57523747 + ... + 57527766.

It is an arithmetic number, because the mean of its divisors is an integer number (17602881642).

Almost surely, 2^231253541130 is an apocalyptic number.

231253541130 is an abundant number, since it is smaller than the sum of its proper divisors (332038671414).

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

231253541130 is a wasteful number, since it uses less digits than its factorization.

231253541130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115051590.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 231253541130 its reverse (31145352132), we get a palindrome (262398893262).

The spelling of 231253541130 in words is "two hundred thirty-one billion, two hundred fifty-three million, five hundred forty-one thousand, one hundred thirty".