321103132542 has 12 divisors (see below), whose sum is σ = 695723453880. Its totient is φ = 107034377508.

The previous prime is 321103132529. The next prime is 321103132589. The reversal of 321103132542 is 245231301123.

321103132542 is a `hidden beast` number, since 3 + 2 + 1 + 103 + 13 + 2 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8919531442 + ... + 8919531477.

It is an arithmetic number, because the mean of its divisors is an integer number (57976954490).

Almost surely, 2^321103132542 is an apocalyptic number.

321103132542 is an abundant number, since it is smaller than the sum of its proper divisors (374620321338).

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

321103132542 is a wasteful number, since it uses less digits than its factorization.

321103132542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17839062927 (or 17839062924 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 321103132542 its reverse (245231301123), we get a palindrome (566334433665).

The spelling of 321103132542 in words is "three hundred twenty-one billion, one hundred three million, one hundred thirty-two thousand, five hundred forty-two".