231461725452 has 48 divisors (see below), whose sum is σ = 548691155712. Its totient is φ = 75932516800.

The previous prime is 231461725441. The next prime is 231461725457. The reversal of 231461725452 is 254527164132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231461725457) 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, 369378 + ... + 774185.

It is an arithmetic number, because the mean of its divisors is an integer number (11431065744).

Almost surely, 2^231461725452 is an apocalyptic number.

It is an amenable number.

231461725452 is an abundant number, since it is smaller than the sum of its proper divisors (317229430260).

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

231461725452 is a wasteful number, since it uses less digits than its factorization.

231461725452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143838 (or 1143836 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

Adding to 231461725452 its reverse (254527164132), we get a palindrome (485988889584).

The spelling of 231461725452 in words is "two hundred thirty-one billion, four hundred sixty-one million, seven hundred twenty-five thousand, four hundred fifty-two".