2051104631 has 2 divisors, whose sum is σ = 2051104632. Its totient is φ = 2051104630.

The previous prime is 2051104613. The next prime is 2051104633. The reversal of 2051104631 is 1364011502.

Together with previous prime (2051104613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051104631 is a prime.

It is a super-2 number, since 2×2051104631² = 8414060414619292322, which contains 22 as substring.

Together with 2051104633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2051104597 and 2051104606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051104633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025552315 + 1025552316.

It is an arithmetic number, because the mean of its divisors is an integer number (1025552316).

Almost surely, 2^2051104631 is an apocalyptic number.

2051104631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051104631 is an equidigital number, since it uses as much as digits as its factorization.

2051104631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2051104631 is about 45289.1226565497. The cubic root of 2051104631 is about 1270.5622226018.

The spelling of 2051104631 in words is "two billion, fifty-one million, one hundred four thousand, six hundred thirty-one".