2100031051 has 2 divisors, whose sum is σ = 2100031052. Its totient is φ = 2100031050.

The previous prime is 2100030997. The next prime is 2100031081. The reversal of 2100031051 is 1501300012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100031051 - 2⁹ = 2100030539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100031081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050015525 + 1050015526.

It is an arithmetic number, because the mean of its divisors is an integer number (1050015526).

Almost surely, 2^2100031051 is an apocalyptic number.

2100031051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100031051 is an equidigital number, since it uses as much as digits as its factorization.

2100031051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2100031051 is about 45826.0957424915. The cubic root of 2100031051 is about 1280.5854765855.

Adding to 2100031051 its reverse (1501300012), we get a palindrome (3601331063).

The spelling of 2100031051 in words is "two billion, one hundred million, thirty-one thousand, fifty-one".