2031300121 has 2 divisors, whose sum is σ = 2031300122. Its totient is φ = 2031300120.

The previous prime is 2031300113. The next prime is 2031300143. The reversal of 2031300121 is 1210031302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024010121 + 7290000 = 44989^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031300121 - 2³ = 2031300113 is a prime.

It is a super-2 number, since 2×2031300121² = 8252360363149229282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2031300221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015650060 + 1015650061.

It is an arithmetic number, because the mean of its divisors is an integer number (1015650061).

Almost surely, 2^2031300121 is an apocalyptic number.

It is an amenable number.

2031300121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031300121 is an equidigital number, since it uses as much as digits as its factorization.

2031300121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2031300121 is about 45069.9469824405. The cubic root of 2031300121 is about 1266.4596712152.

Adding to 2031300121 its reverse (1210031302), we get a palindrome (3241331423).

The spelling of 2031300121 in words is "two billion, thirty-one million, three hundred thousand, one hundred twenty-one".