102020003321131 has 16 divisors (see below), whose sum is σ = 117408621680064. Its totient is φ = 86836980363264.

The previous prime is 102020003321081. The next prime is 102020003321189. The reversal of 102020003321131 is 131123300020201.

It is a cyclic number.

It is not a de Polignac number, because 102020003321131 - 2⁹ = 102020003320619 is a prime.

It is a super-2 number, since 2×102020003321131² (a number of 29 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 = 102020003321099 and 102020003321108.

It is not an unprimeable number, because it can be changed into a prime (102020000321131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83239606 + ... + 84456331.

It is an arithmetic number, because the mean of its divisors is an integer number (7338038855004).

Almost surely, 2^{102020003321131} is an apocalyptic number.

102020003321131 is a deficient number, since it is larger than the sum of its proper divisors (15388618358933).

102020003321131 is a wasteful number, since it uses less digits than its factorization.

102020003321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167696550.

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

Adding to 102020003321131 its reverse (131123300020201), we get a palindrome (233143303341332).

The spelling of 102020003321131 in words is "one hundred two trillion, twenty billion, three million, three hundred twenty-one thousand, one hundred thirty-one".