320432317461 has 12 divisors (see below), whose sum is σ = 462955360140. Its totient is φ = 213571385280.

The previous prime is 320432317427. The next prime is 320432317477. The reversal of 320432317461 is 164713234023.

320432317461 is a `hidden beast` number, since 3 + 204 + 323 + 1 + 74 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 209347427025 + 111084890436 = 457545^2 + 333294^2 .

It is not a de Polignac number, because 320432317461 - 2⁶ = 320432317397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320432317421) 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, 4139496 + ... + 4216193.

It is an arithmetic number, because the mean of its divisors is an integer number (38579613345).

Almost surely, 2^320432317461 is an apocalyptic number.

It is an amenable number.

320432317461 is a deficient number, since it is larger than the sum of its proper divisors (142523042679).

320432317461 is a wasteful number, since it uses less digits than its factorization.

320432317461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359956 (or 8359953 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 320432317461 in words is "three hundred twenty billion, four hundred thirty-two million, three hundred seventeen thousand, four hundred sixty-one".