231305351542 has 8 divisors (see below), whose sum is σ = 347008208256. Its totient is φ = 115635948792.

The previous prime is 231305351531. The next prime is 231305351569. The reversal of 231305351542 is 245153503132.

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 = 231305351498 and 231305351507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8346198 + ... + 8373865.

It is an arithmetic number, because the mean of its divisors is an integer number (43376026032).

Almost surely, 2^231305351542 is an apocalyptic number.

231305351542 is a deficient number, since it is larger than the sum of its proper divisors (115702856714).

231305351542 is a wasteful number, since it uses less digits than its factorization.

231305351542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16726982.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 231305351542 its reverse (245153503132), we get a palindrome (476458854674).

The spelling of 231305351542 in words is "two hundred thirty-one billion, three hundred five million, three hundred fifty-one thousand, five hundred forty-two".