102020311333 has 4 divisors (see below), whose sum is σ = 102144575628. Its totient is φ = 101896047040.

The previous prime is 102020311231. The next prime is 102020311343. The reversal of 102020311333 is 333113020201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37495675044 + 64524636289 = 193638^2 + 254017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020311333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102020311333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020311343) 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 3 ways as a sum of consecutive naturals, for example, 62130916 + ... + 62132557.

It is an arithmetic number, because the mean of its divisors is an integer number (25536143907).

Almost surely, 2^102020311333 is an apocalyptic number.

It is an amenable number.

102020311333 is a deficient number, since it is larger than the sum of its proper divisors (124264295).

102020311333 is an equidigital number, since it uses as much as digits as its factorization.

102020311333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124264294.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 102020311333 its reverse (333113020201), we get a palindrome (435133331534).

The spelling of 102020311333 in words is "one hundred two billion, twenty million, three hundred eleven thousand, three hundred thirty-three".