321340133352 has 64 divisors (see below), whose sum is σ = 935437610880. Its totient is φ = 90079172352.

The previous prime is 321340133347. The next prime is 321340133357. The reversal of 321340133352 is 253331043123.

It is an interprime number because it is at equal distance from previous prime (321340133347) and next prime (321340133357).

It is a super-2 number, since 2×321340133352² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321340133357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18035803 + ... + 18053610.

It is an arithmetic number, because the mean of its divisors is an integer number (14616212670).

Almost surely, 2^321340133352 is an apocalyptic number.

It is an amenable number.

321340133352 is an abundant number, since it is smaller than the sum of its proper divisors (614097477528).

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

321340133352 is a wasteful number, since it uses less digits than its factorization.

321340133352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36089482 (or 36089478 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 321340133352 its reverse (253331043123), we get a palindrome (574671176475).

The spelling of 321340133352 in words is "three hundred twenty-one billion, three hundred forty million, one hundred thirty-three thousand, three hundred fifty-two".