231520751103 has 8 divisors (see below), whose sum is σ = 308696800000. Its totient is φ = 154345934808.

The previous prime is 231520751047. The next prime is 231520751107. The reversal of 231520751103 is 301157025132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231520751103 - 2¹⁶ = 231520685567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231520751107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303648 + ... + 745146.

It is an arithmetic number, because the mean of its divisors is an integer number (38587100000).

Almost surely, 2^231520751103 is an apocalyptic number.

231520751103 is a deficient number, since it is larger than the sum of its proper divisors (77176048897).

231520751103 is a wasteful number, since it uses less digits than its factorization.

231520751103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616301.

The product of its (nonzero) digits is 6300, while the sum is 30.

Adding to 231520751103 its reverse (301157025132), we get a palindrome (532677776235).

The spelling of 231520751103 in words is "two hundred thirty-one billion, five hundred twenty million, seven hundred fifty-one thousand, one hundred three".