231030663542 has 32 divisors (see below), whose sum is σ = 400709203200. Its totient is φ = 97855773408.

The previous prime is 231030663517. The next prime is 231030663569. The reversal of 231030663542 is 245366030132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125684 + ... + 691272.

It is an arithmetic number, because the mean of its divisors is an integer number (12522162600).

Almost surely, 2^231030663542 is an apocalyptic number.

231030663542 is a deficient number, since it is larger than the sum of its proper divisors (169678539658).

231030663542 is a wasteful number, since it uses less digits than its factorization.

231030663542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565940.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 231030663542 its reverse (245366030132), we get a palindrome (476396693674).

The spelling of 231030663542 in words is "two hundred thirty-one billion, thirty million, six hundred sixty-three thousand, five hundred forty-two".