320102055251 has 12 divisors (see below), whose sum is σ = 355136024376. Its totient is φ = 288282213120.

The previous prime is 320102055239. The next prime is 320102055257. The reversal of 320102055251 is 152550201023.

It is not a de Polignac number, because 320102055251 - 2¹⁸ = 320101793107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320102055251.

It is not an unprimeable number, because it can be changed into a prime (320102055257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12349070 + ... + 12374963.

It is an arithmetic number, because the mean of its divisors is an integer number (29594668698).

Almost surely, 2^320102055251 is an apocalyptic number.

320102055251 is a deficient number, since it is larger than the sum of its proper divisors (35033969125).

320102055251 is a wasteful number, since it uses less digits than its factorization.

320102055251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24724162 (or 24724151 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 320102055251 its reverse (152550201023), we get a palindrome (472652256274).

The spelling of 320102055251 in words is "three hundred twenty billion, one hundred two million, fifty-five thousand, two hundred fifty-one".