316520428222441 has 9 divisors (see below), whose sum is σ = 316907124843141. Its totient is φ = 316134202947552.

The previous prime is 316520428222429. The next prime is 316520428222457. The reversal of 316520428222441 is 144222824025613.

The square root of 316520428222441 is 17791021.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2569516026841 + 313950912195600 = 1602971^2 + 17718660^2 .

It is not a de Polignac number, because 316520428222441 - 2¹⁵ = 316520428189673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316520428222391 and 316520428222400.

It is not an unprimeable number, because it can be changed into a prime (316520428022441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15175730485 + ... + 15175751341.

It is an arithmetic number, because the mean of its divisors is an integer number (35211902760349).

Almost surely, 2^{316520428222441} is an apocalyptic number.

316520428222441 is the 17791021-st square number.

316520428222441 is the 8895511-st centered octagonal number.

It is an amenable number.

316520428222441 is a deficient number, since it is larger than the sum of its proper divisors (386696620700).

316520428222441 is an frugal number, since it uses more digits than its factorization.

316520428222441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43420 (or 21710 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 46.

The spelling of 316520428222441 in words is "three hundred sixteen trillion, five hundred twenty billion, four hundred twenty-eight million, two hundred twenty-two thousand, four hundred forty-one".