11020102031 has 2 divisors, whose sum is σ = 11020102032. Its totient is φ = 11020102030.

The previous prime is 11020102013. The next prime is 11020102061. The reversal of 11020102031 is 13020102011.

11020102031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11020102013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11020102031 - 2¹⁴ = 11020085647 is a prime.

It is a super-2 number, since 2×11020102031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020102001) 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 as a sum of consecutive naturals, namely, 5510051015 + 5510051016.

It is an arithmetic number, because the mean of its divisors is an integer number (5510051016).

Almost surely, 2^11020102031 is an apocalyptic number.

11020102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020102031 is an equidigital number, since it uses as much as digits as its factorization.

11020102031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11020102031 its reverse (13020102011), we get a palindrome (24040204042).

The spelling of 11020102031 in words is "eleven billion, twenty million, one hundred two thousand, thirty-one".