321512054234 has 32 divisors (see below), whose sum is σ = 556582181760. Its totient is φ = 136438589952.

The previous prime is 321512054221. The next prime is 321512054249. The reversal of 321512054234 is 432450215123.

It is a self number, because there is not a number n which added to its sum of digits gives 321512054234.

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 15 ways as a sum of consecutive naturals, for example, 1535837 + ... + 1732575.

It is an arithmetic number, because the mean of its divisors is an integer number (17393193180).

Almost surely, 2^321512054234 is an apocalyptic number.

321512054234 is a deficient number, since it is larger than the sum of its proper divisors (235070127526).

321512054234 is a wasteful number, since it uses less digits than its factorization.

321512054234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197894.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 321512054234 its reverse (432450215123), we get a palindrome (753962269357).

The spelling of 321512054234 in words is "three hundred twenty-one billion, five hundred twelve million, fifty-four thousand, two hundred thirty-four".