321340321143100 has 144 divisors (see below), whose sum is σ = 821396618251776. Its totient is φ = 106841389536000.

The previous prime is 321340321142977. The next prime is 321340321143109. The reversal of 321340321143100 is 1341123043123.

It is a super-2 number, since 2×321340321143100² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321340321143109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49965022 + ... + 56028421.

It is an arithmetic number, because the mean of its divisors is an integer number (5704143182304).

Almost surely, 2^{321340321143100} is an apocalyptic number.

It is an amenable number.

321340321143100 is an abundant number, since it is smaller than the sum of its proper divisors (500056297108676).

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

321340321143100 is a wasteful number, since it uses less digits than its factorization.

321340321143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105993596 (or 105993589 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 321340321143100 its reverse (1341123043123), we get a palindrome (322681444186223).

The spelling of 321340321143100 in words is "three hundred twenty-one trillion, three hundred forty billion, three hundred twenty-one million, one hundred forty-three thousand, one hundred".