231531501251134 has 8 divisors (see below), whose sum is σ = 396911145001968. Its totient is φ = 99227786250480.

The previous prime is 231531501251131. The next prime is 231531501251213. The reversal of 231531501251134 is 431152105135132.

231531501251134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 231531501251093 and 231531501251102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231531501251131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8268982187527 + ... + 8268982187554.

It is an arithmetic number, because the mean of its divisors is an integer number (49613893125246).

Almost surely, 2^{231531501251134} is an apocalyptic number.

231531501251134 is a deficient number, since it is larger than the sum of its proper divisors (165379643750834).

231531501251134 is a wasteful number, since it uses less digits than its factorization.

231531501251134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16537964375090.

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 231531501251134 its reverse (431152105135132), we get a palindrome (662683606386266).

The spelling of 231531501251134 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, five hundred one million, two hundred fifty-one thousand, one hundred thirty-four".