231546315642 has 8 divisors (see below), whose sum is σ = 463092631296. Its totient is φ = 77182105212.

The previous prime is 231546315641. The next prime is 231546315673. The reversal of 231546315642 is 246513645132.

231546315642 is digitally balanced in base 3, 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.

231546315642 is an admirable number.

It is a super-2 number, since 2×231546315642² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231546315594 and 231546315603.

It is not an unprimeable number, because it can be changed into a prime (231546315641) 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, 19295526298 + ... + 19295526309.

It is an arithmetic number, because the mean of its divisors is an integer number (57886578912).

Almost surely, 2^231546315642 is an apocalyptic number.

231546315642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231546315642 is a wasteful number, since it uses less digits than its factorization.

231546315642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38591052612.

The product of its digits is 518400, while the sum is 42.

The spelling of 231546315642 in words is "two hundred thirty-one billion, five hundred forty-six million, three hundred fifteen thousand, six hundred forty-two".