321342496530 has 32 divisors (see below), whose sum is σ = 841333082688. Its totient is φ = 77901211200.

The previous prime is 321342496513. The next prime is 321342496603. The reversal of 321342496530 is 35694243123.

It is a super-2 number, since 2×321342496530² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486882241 + ... + 486882900.

It is an arithmetic number, because the mean of its divisors is an integer number (26291658834).

Almost surely, 2^321342496530 is an apocalyptic number.

321342496530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321342496530 is an abundant number, since it is smaller than the sum of its proper divisors (519990586158).

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

321342496530 is a wasteful number, since it uses less digits than its factorization.

321342496530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973765162.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 321342496530 in words is "three hundred twenty-one billion, three hundred forty-two million, four hundred ninety-six thousand, five hundred thirty".