231215341225 has 24 divisors (see below), whose sum is σ = 331169616288. Its totient is φ = 158265043200.

The previous prime is 231215341141. The next prime is 231215341241. The reversal of 231215341225 is 522143512132.

It is a happy number.

231215341225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231215341225 - 2¹³ = 231215333033 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 24724239 + ... + 24733588.

It is an arithmetic number, because the mean of its divisors is an integer number (13798734012).

Almost surely, 2^231215341225 is an apocalyptic number.

231215341225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231215341225 is a deficient number, since it is larger than the sum of its proper divisors (99954275063).

231215341225 is a wasteful number, since it uses less digits than its factorization.

231215341225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49457865 (or 49457860 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 231215341225 its reverse (522143512132), we get a palindrome (753358853357).

The spelling of 231215341225 in words is "two hundred thirty-one billion, two hundred fifteen million, three hundred forty-one thousand, two hundred twenty-five".