131022020011 has 8 divisors (see below), whose sum is σ = 131613225680. Its totient is φ = 130430980512.

The previous prime is 131022019907. The next prime is 131022020021. The reversal of 131022020011 is 110020220131.

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 131022020011 - 2⁷ = 131022019883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131022019973 and 131022020000.

It is not an unprimeable number, because it can be changed into a prime (131022020021) 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, 1703461 + ... + 1778713.

It is an arithmetic number, because the mean of its divisors is an integer number (16451653210).

Almost surely, 2^131022020011 is an apocalyptic number.

131022020011 is a deficient number, since it is larger than the sum of its proper divisors (591205669).

131022020011 is an equidigital number, since it uses as much as digits as its factorization.

131022020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83085.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 131022020011 its reverse (110020220131), we get a palindrome (241042240142).

The spelling of 131022020011 in words is "one hundred thirty-one billion, twenty-two million, twenty thousand, eleven".