2058181031 has 4 divisors (see below), whose sum is σ = 2059239000. Its totient is φ = 2057123064.

The previous prime is 2058181019. The next prime is 2058181033. The reversal of 2058181031 is 1301818502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2058181031 - 2¹⁸ = 2057918887 is a prime.

It is a super-2 number, since 2×2058181031² = 8472218312736445922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2058180985 and 2058181003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058181033) 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 in 3 ways as a sum of consecutive naturals, for example, 526061 + ... + 529958.

It is an arithmetic number, because the mean of its divisors is an integer number (514809750).

Almost surely, 2^2058181031 is an apocalyptic number.

2058181031 is a deficient number, since it is larger than the sum of its proper divisors (1057969).

2058181031 is a wasteful number, since it uses less digits than its factorization.

2058181031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057968.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 2058181031 is about 45367.1801085322. The cubic root of 2058181031 is about 1272.0217103921.

Adding to 2058181031 its reverse (1301818502), we get a palindrome (3359999533).

The spelling of 2058181031 in words is "two billion, fifty-eight million, one hundred eighty-one thousand, thirty-one".