2130202031 has 2 divisors, whose sum is σ = 2130202032. Its totient is φ = 2130202030.

The previous prime is 2130201991. The next prime is 2130202033. The reversal of 2130202031 is 1302020312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130202031 - 2²⁶ = 2063093167 is a prime.

It is a super-2 number, since 2×2130202031² = 9075521385753049922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2130202033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130201997 and 2130202015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130202033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065101015 + 1065101016.

It is an arithmetic number, because the mean of its divisors is an integer number (1065101016).

Almost surely, 2^2130202031 is an apocalyptic number.

2130202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130202031 is an equidigital number, since it uses as much as digits as its factorization.

2130202031 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.

The square root of 2130202031 is about 46154.1117453256. Note that the first 3 decimals coincide. The cubic root of 2130202031 is about 1286.6890295704.

Adding to 2130202031 its reverse (1302020312), we get a palindrome (3432222343).

It can be divided in two parts, 2 and 130202031, that multiplied together give a palindrome (260404062).

The spelling of 2130202031 in words is "two billion, one hundred thirty million, two hundred two thousand, thirty-one".