2162020031 has 2 divisors, whose sum is σ = 2162020032. Its totient is φ = 2162020030.

The previous prime is 2162020027. The next prime is 2162020057. The reversal of 2162020031 is 1300202612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162020031 - 2² = 2162020027 is a prime.

It is a super-2 number, since 2×2162020031² = 9348661228890481922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2162019991 and 2162020009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162020331) 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, 1081010015 + 1081010016.

It is an arithmetic number, because the mean of its divisors is an integer number (1081010016).

Almost surely, 2^2162020031 is an apocalyptic number.

2162020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162020031 is an equidigital number, since it uses as much as digits as its factorization.

2162020031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2162020031 is about 46497.5271493012. The cubic root of 2162020031 is about 1293.0636537317.

Adding to 2162020031 its reverse (1300202612), we get a palindrome (3462222643).

The spelling of 2162020031 in words is "two billion, one hundred sixty-two million, twenty thousand, thirty-one".