320311102200157 has 2 divisors, whose sum is σ = 320311102200158. Its totient is φ = 320311102200156.

The previous prime is 320311102200109. The next prime is 320311102200239. The reversal of 320311102200157 is 751002201113023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219824331272676 + 100486770927481 = 14826474^2 + 10024309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320311102200157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320311102270157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160155551100078 + 160155551100079.

It is an arithmetic number, because the mean of its divisors is an integer number (160155551100079).

Almost surely, 2^{320311102200157} is an apocalyptic number.

It is an amenable number.

320311102200157 is a deficient number, since it is larger than the sum of its proper divisors (1).

320311102200157 is an equidigital number, since it uses as much as digits as its factorization.

320311102200157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 320311102200157 in words is "three hundred twenty trillion, three hundred eleven billion, one hundred two million, two hundred thousand, one hundred fifty-seven".