320100251051401 has 4 divisors (see below), whose sum is σ = 320236987598404. Its totient is φ = 319963514504400.

The previous prime is 320100251051381. The next prime is 320100251051417. The reversal of 320100251051401 is 104150152001023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189868447084176 + 130231803967225 = 13779276^2 + 11411915^2 .

It is a cyclic number.

It is not a de Polignac number, because 320100251051401 - 2⁹ = 320100251050889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320100251051101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68368269990 + ... + 68368274671.

It is an arithmetic number, because the mean of its divisors is an integer number (80059246899601).

Almost surely, 2^{320100251051401} is an apocalyptic number.

It is an amenable number.

320100251051401 is a deficient number, since it is larger than the sum of its proper divisors (136736547003).

320100251051401 is a wasteful number, since it uses less digits than its factorization.

320100251051401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136736547002.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 320100251051401 in words is "three hundred twenty trillion, one hundred billion, two hundred fifty-one million, fifty-one thousand, four hundred one".