2051130031 has 2 divisors, whose sum is σ = 2051130032. Its totient is φ = 2051130030.

The previous prime is 2051130023. The next prime is 2051130043. The reversal of 2051130031 is 1300311502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051130031 - 2³ = 2051130023 is a prime.

It is a super-2 number, since 2×2051130031² = 8414268808140121922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2051129987 and 2051130014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051170031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025565015 + 1025565016.

It is an arithmetic number, because the mean of its divisors is an integer number (1025565016).

Almost surely, 2^2051130031 is an apocalyptic number.

2051130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051130031 is an equidigital number, since it uses as much as digits as its factorization.

2051130031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 2051130031 is about 45289.4030762164. The cubic root of 2051130031 is about 1270.5674672793.

Adding to 2051130031 its reverse (1300311502), we get a palindrome (3351441533).

The spelling of 2051130031 in words is "two billion, fifty-one million, one hundred thirty thousand, thirty-one".