321153542032 has 20 divisors (see below), whose sum is σ = 636705570160. Its totient is φ = 156842427168.

The previous prime is 321153542023. The next prime is 321153542033. The reversal of 321153542032 is 230245351123.

It is a junction number, because it is equal to n+sod(n) for n = 321153541985 and 321153542003.

It is not an unprimeable number, because it can be changed into a prime (321153542033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233395782 + ... + 233397157.

It is an arithmetic number, because the mean of its divisors is an integer number (31835278508).

Almost surely, 2^321153542032 is an apocalyptic number.

It is an amenable number.

321153542032 is a deficient number, since it is larger than the sum of its proper divisors (315552028128).

321153542032 is a wasteful number, since it uses less digits than its factorization.

321153542032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466792990 (or 466792984 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 321153542032 its reverse (230245351123), we get a palindrome (551398893155).

The spelling of 321153542032 in words is "three hundred twenty-one billion, one hundred fifty-three million, five hundred forty-two thousand, thirty-two".