320550431201000 has 256 divisors, whose sum is σ = 1007111176081920. Its totient is φ = 92226297600000.

The previous prime is 320550431200999. The next prime is 320550431201071. The reversal of 320550431201000 is 102134055023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159114101 + ... + 161116100.

It is an arithmetic number, because the mean of its divisors is an integer number (3934028031570).

Almost surely, 2^{320550431201000} is an apocalyptic number.

It is an amenable number.

320550431201000 is an abundant number, since it is smaller than the sum of its proper divisors (686560744880920).

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

320550431201000 is a wasteful number, since it uses less digits than its factorization.

320550431201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320230253 (or 320230239 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 320550431201000 its reverse (102134055023), we get a palindrome (320652565256023).

The spelling of 320550431201000 in words is "three hundred twenty trillion, five hundred fifty billion, four hundred thirty-one million, two hundred one thousand".