321153013432 has 32 divisors (see below), whose sum is σ = 603800403120. Its totient is φ = 160139738880.

The previous prime is 321153013369. The next prime is 321153013459. The reversal of 321153013432 is 234310351123.

It is a self number, because there is not a number n which added to its sum of digits gives 321153013432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27056763 + ... + 27068629.

Almost surely, 2^321153013432 is an apocalyptic number.

It is an amenable number.

321153013432 is a deficient number, since it is larger than the sum of its proper divisors (282647389688).

321153013432 is a wasteful number, since it uses less digits than its factorization.

321153013432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20791 (or 20787 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 321153013432 its reverse (234310351123), we get a palindrome (555463364555).

The spelling of 321153013432 in words is "three hundred twenty-one billion, one hundred fifty-three million, thirteen thousand, four hundred thirty-two".