3550031081 has 2 divisors, whose sum is σ = 3550031082. Its totient is φ = 3550031080.

The previous prime is 3550031059. The next prime is 3550031087. The reversal of 3550031081 is 1801300553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3153384025 + 396647056 = 56155^2 + 19916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3550031081 is a prime.

It is a super-2 number, since 2×3550031081² = 25205441352132057122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3550031081.

It is not a weakly prime, because it can be changed into another prime (3550031087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775015540 + 1775015541.

It is an arithmetic number, because the mean of its divisors is an integer number (1775015541).

Almost surely, 2^3550031081 is an apocalyptic number.

It is an amenable number.

3550031081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3550031081 is an equidigital number, since it uses as much as digits as its factorization.

3550031081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 3550031081 is about 59582.1372644520. The cubic root of 3550031081 is about 1525.4947538839.

The spelling of 3550031081 in words is "three billion, five hundred fifty million, thirty-one thousand, eighty-one".