3102020200031 has 2 divisors, whose sum is σ = 3102020200032. Its totient is φ = 3102020200030.

The previous prime is 3102020199991. The next prime is 3102020200051. The reversal of 3102020200031 is 1300020202013.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3102020200031 is a prime.

It is a super-2 number, since 2×3102020200031² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3102020199979 and 3102020200015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3102020200051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551010100015 + 1551010100016.

It is an arithmetic number, because the mean of its divisors is an integer number (1551010100016).

Almost surely, 2^{3102020200031} is an apocalyptic number.

3102020200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3102020200031 is an equidigital number, since it uses as much as digits as its factorization.

3102020200031 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 14.

Adding to 3102020200031 its reverse (1300020202013), we get a palindrome (4402040402044).

The spelling of 3102020200031 in words is "three trillion, one hundred two billion, twenty million, two hundred thousand, thirty-one".