2031121051 has 2 divisors, whose sum is σ = 2031121052. Its totient is φ = 2031121050.

The previous prime is 2031121021. The next prime is 2031121061. The reversal of 2031121051 is 1501211302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031121051 - 2¹⁷ = 2030989979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031121021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015560525 + 1015560526.

It is an arithmetic number, because the mean of its divisors is an integer number (1015560526).

Almost surely, 2^2031121051 is an apocalyptic number.

2031121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031121051 is an equidigital number, since it uses as much as digits as its factorization.

2031121051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2031121051 is about 45067.9603598832. The cubic root of 2031121051 is about 1266.4224550508.

Adding to 2031121051 its reverse (1501211302), we get a palindrome (3532332353).

The spelling of 2031121051 in words is "two billion, thirty-one million, one hundred twenty-one thousand, fifty-one".