2031225101 has 2 divisors, whose sum is σ = 2031225102. Its totient is φ = 2031225100.

The previous prime is 2031225089. The next prime is 2031225103. The reversal of 2031225101 is 1015221302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1969051876 + 62173225 = 44374^2 + 7885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031225101 - 2³⁰ = 957483277 is a prime.

Together with 2031225103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031225101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031225103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015612550 + 1015612551.

It is an arithmetic number, because the mean of its divisors is an integer number (1015612551).

Almost surely, 2^2031225101 is an apocalyptic number.

It is an amenable number.

2031225101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031225101 is an equidigital number, since it uses as much as digits as its factorization.

2031225101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2031225101 is about 45069.1147128496. The cubic root of 2031225101 is about 1266.4440800554. Note that the first 3 decimals are identical.

Adding to 2031225101 its reverse (1015221302), we get a palindrome (3046446403).

The spelling of 2031225101 in words is "two billion, thirty-one million, two hundred twenty-five thousand, one hundred one".