320144342100 has 72 divisors (see below), whose sum is σ = 1010491970208. Its totient is φ = 77610748800.

The previous prime is 320144342099. The next prime is 320144342131. The reversal of 320144342100 is 1243441023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48503419 + ... + 48510018.

Almost surely, 2^320144342100 is an apocalyptic number.

320144342100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320144342100 is an abundant number, since it is smaller than the sum of its proper divisors (690347628108).

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

320144342100 is a wasteful number, since it uses less digits than its factorization.

320144342100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97013465 (or 97013458 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 320144342100 its reverse (1243441023), we get a palindrome (321387783123).

The spelling of 320144342100 in words is "three hundred twenty billion, one hundred forty-four million, three hundred forty-two thousand, one hundred".