320112302131 has 8 divisors (see below), whose sum is σ = 321569521920. Its totient is φ = 318655495368.

The previous prime is 320112302129. The next prime is 320112302161. The reversal of 320112302131 is 131203211023.

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 320112302131 - 2¹ = 320112302129 is a prime.

It is a super-2 number, since 2×320112302131² (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 = 320112302099 and 320112302108.

It is not an unprimeable number, because it can be changed into a prime (320112302161) 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, 1507330 + ... + 1706536.

It is an arithmetic number, because the mean of its divisors is an integer number (40196190240).

Almost surely, 2^320112302131 is an apocalyptic number.

320112302131 is a deficient number, since it is larger than the sum of its proper divisors (1457219789).

320112302131 is a wasteful number, since it uses less digits than its factorization.

320112302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206513.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320112302131 its reverse (131203211023), we get a palindrome (451315513154).

The spelling of 320112302131 in words is "three hundred twenty billion, one hundred twelve million, three hundred two thousand, one hundred thirty-one".