231153001532 has 24 divisors (see below), whose sum is σ = 405500970000. Its totient is φ = 115295780736.

The previous prime is 231153001507. The next prime is 231153001537. The reversal of 231153001532 is 235100351132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231153001537) 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, 4912694 + ... + 4959522.

It is an arithmetic number, because the mean of its divisors is an integer number (16895873750).

Almost surely, 2^231153001532 is an apocalyptic number.

It is an amenable number.

231153001532 is a deficient number, since it is larger than the sum of its proper divisors (174347968468).

231153001532 is a wasteful number, since it uses less digits than its factorization.

231153001532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49805 (or 49803 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 231153001532 its reverse (235100351132), we get a palindrome (466253352664).

The spelling of 231153001532 in words is "two hundred thirty-one billion, one hundred fifty-three million, one thousand, five hundred thirty-two".