231520525012342 has 8 divisors (see below), whose sum is σ = 347281134056136. Its totient is φ = 115760146993632.

The previous prime is 231520525012339. The next prime is 231520525012363. The reversal of 231520525012342 is 243210525025132.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55228788 + ... + 59272759.

It is an arithmetic number, because the mean of its divisors is an integer number (43410141757017).

Almost surely, 2^{231520525012342} is an apocalyptic number.

231520525012342 is a deficient number, since it is larger than the sum of its proper divisors (115760609043794).

231520525012342 is a wasteful number, since it uses less digits than its factorization.

231520525012342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115512542.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 231520525012342 in words is "two hundred thirty-one trillion, five hundred twenty billion, five hundred twenty-five million, twelve thousand, three hundred forty-two".