320055542131 has 8 divisors (see below), whose sum is σ = 345575139840. Its totient is φ = 294664507392.

The previous prime is 320055542117. The next prime is 320055542141. The reversal of 320055542131 is 131245550023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320055542131 - 2³¹ = 317908058483 is a prime.

It is a super-2 number, since 2×320055542131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320055542093 and 320055542102.

It is not an unprimeable number, because it can be changed into a prime (320055542141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32135566 + ... + 32145523.

It is an arithmetic number, because the mean of its divisors is an integer number (43196892480).

Almost surely, 2^320055542131 is an apocalyptic number.

320055542131 is a deficient number, since it is larger than the sum of its proper divisors (25519597709).

320055542131 is a wasteful number, since it uses less digits than its factorization.

320055542131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64281485.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 320055542131 in words is "three hundred twenty billion, fifty-five million, five hundred forty-two thousand, one hundred thirty-one".