321204120110340 has 96 divisors (see below), whose sum is σ = 921405369916416. Its totient is φ = 83560812451200.

The previous prime is 321204120110329. The next prime is 321204120110359. The reversal of 321204120110340 is 43011021402123.

It is a self number, because there is not a number n which added to its sum of digits gives 321204120110340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73513186 + ... + 77759865.

It is an arithmetic number, because the mean of its divisors is an integer number (9597972603296).

Almost surely, 2^{321204120110340} is an apocalyptic number.

321204120110340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321204120110340 is an abundant number, since it is smaller than the sum of its proper divisors (600201249806076).

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

321204120110340 is a wasteful number, since it uses less digits than its factorization.

321204120110340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151273929 (or 151273927 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 321204120110340 its reverse (43011021402123), we get a palindrome (364215141512463).

The spelling of 321204120110340 in words is "three hundred twenty-one trillion, two hundred four billion, one hundred twenty million, one hundred ten thousand, three hundred forty".