231544503450325 has 96 divisors (see below), whose sum is σ = 336893831164800. Its totient is φ = 156310655800320.

The previous prime is 231544503450319. The next prime is 231544503450361. The reversal of 231544503450325 is 523054305445132.

It is not a de Polignac number, because 231544503450325 - 2⁹ = 231544503449813 is a prime.

It is a super-2 number, since 2×231544503450325² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 308171007 + ... + 308921443.

It is an arithmetic number, because the mean of its divisors is an integer number (3509310741300).

Almost surely, 2^{231544503450325} is an apocalyptic number.

231544503450325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231544503450325 is a deficient number, since it is larger than the sum of its proper divisors (105349327714475).

231544503450325 is a wasteful number, since it uses less digits than its factorization.

231544503450325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752231 (or 752226 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 231544503450325 its reverse (523054305445132), we get a palindrome (754598808895457).

The spelling of 231544503450325 in words is "two hundred thirty-one trillion, five hundred forty-four billion, five hundred three million, four hundred fifty thousand, three hundred twenty-five".