1113020220031 has 2 divisors, whose sum is σ = 1113020220032. Its totient is φ = 1113020220030.

The previous prime is 1113020220029. The next prime is 1113020220061. The reversal of 1113020220031 is 1300220203111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113020220031 - 2¹ = 1113020220029 is a prime.

It is a super-2 number, since 2×1113020220031² (a number of 25 digits) contains 22 as substring.

Together with 1113020220029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1113020219987 and 1113020220014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113020220061) 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 as a sum of consecutive naturals, namely, 556510110015 + 556510110016.

It is an arithmetic number, because the mean of its divisors is an integer number (556510110016).

Almost surely, 2^{1113020220031} is an apocalyptic number.

1113020220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113020220031 is an equidigital number, since it uses as much as digits as its factorization.

1113020220031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1113020220031 its reverse (1300220203111), we get a palindrome (2413240423142).

The spelling of 1113020220031 in words is "one trillion, one hundred thirteen billion, twenty million, two hundred twenty thousand, thirty-one".