320001121131 has 8 divisors (see below), whose sum is σ = 426739166784. Its totient is φ = 213298578120.

The previous prime is 320001121049. The next prime is 320001121147. The reversal of 320001121131 is 131121100023.

It is a happy number.

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

It is not a de Polignac number, because 320001121131 - 2¹⁴ = 320001104747 is a prime.

It is a super-2 number, since 2×320001121131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320001121131.

It is not an unprimeable number, because it can be changed into a prime (320001121831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854621 + ... + 8890686.

It is an arithmetic number, because the mean of its divisors is an integer number (53342395848).

Almost surely, 2^320001121131 is an apocalyptic number.

320001121131 is a deficient number, since it is larger than the sum of its proper divisors (106738045653).

320001121131 is a wasteful number, since it uses less digits than its factorization.

320001121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17751321.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 320001121131 its reverse (131121100023), we get a palindrome (451122221154).

The spelling of 320001121131 in words is "three hundred twenty billion, one million, one hundred twenty-one thousand, one hundred thirty-one".