20242111031 has 2 divisors, whose sum is σ = 20242111032. Its totient is φ = 20242111030.

The previous prime is 20242110971. The next prime is 20242111051. The reversal of 20242111031 is 13011124202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20242111031 is a prime.

It is a super-2 number, since 2×20242111031² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20242111051) 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, 10121055515 + 10121055516.

It is an arithmetic number, because the mean of its divisors is an integer number (10121055516).

Almost surely, 2^20242111031 is an apocalyptic number.

20242111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242111031 is an equidigital number, since it uses as much as digits as its factorization.

20242111031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20242111031 its reverse (13011124202), we get a palindrome (33253235233).

The spelling of 20242111031 in words is "twenty billion, two hundred forty-two million, one hundred eleven thousand, thirty-one".