320020101131 has 8 divisors (see below), whose sum is σ = 320171063520. Its totient is φ = 319869183168.

The previous prime is 320020101103. The next prime is 320020101133. The reversal of 320020101131 is 131101020023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320020101131 is a prime.

It is a super-2 number, since 2×320020101131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320020101133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27756890 + ... + 27768416.

It is an arithmetic number, because the mean of its divisors is an integer number (40021382940).

Almost surely, 2^320020101131 is an apocalyptic number.

320020101131 is a deficient number, since it is larger than the sum of its proper divisors (150962389).

320020101131 is a wasteful number, since it uses less digits than its factorization.

320020101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22213.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 320020101131 its reverse (131101020023), we get a palindrome (451121121154).

The spelling of 320020101131 in words is "three hundred twenty billion, twenty million, one hundred one thousand, one hundred thirty-one".