321213131202342 has 32 divisors (see below), whose sum is σ = 681144031848672. Its totient is φ = 100635267147264.

The previous prime is 321213131202263. The next prime is 321213131202373. The reversal of 321213131202342 is 243202131312123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2148048253 + ... + 2148197784.

It is an arithmetic number, because the mean of its divisors is an integer number (21285750995271).

Almost surely, 2^{321213131202342} is an apocalyptic number.

321213131202342 is an abundant number, since it is smaller than the sum of its proper divisors (359930900646330).

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

321213131202342 is a wasteful number, since it uses less digits than its factorization.

321213131202342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296246792.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 321213131202342 its reverse (243202131312123), we get a palindrome (564415262514465).

The spelling of 321213131202342 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred thirty-one million, two hundred two thousand, three hundred forty-two".