3500003531881 has 2 divisors, whose sum is σ = 3500003531882. Its totient is φ = 3500003531880.

The previous prime is 3500003531837. The next prime is 3500003531911. The reversal of 3500003531881 is 1881353000053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3329471699856 + 170531832025 = 1824684^2 + 412955^2 .

It is an emirp because it is prime and its reverse (1881353000053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3500003531881 - 2³¹ = 3497856048233 is a prime.

It is a super-2 number, since 2×3500003531881² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3500003531881.

It is not a weakly prime, because it can be changed into another prime (3500003531081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750001765940 + 1750001765941.

It is an arithmetic number, because the mean of its divisors is an integer number (1750001765941).

Almost surely, 2^{3500003531881} is an apocalyptic number.

It is an amenable number.

3500003531881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500003531881 is an equidigital number, since it uses as much as digits as its factorization.

3500003531881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 3500003531881 in words is "three trillion, five hundred billion, three million, five hundred thirty-one thousand, eight hundred eighty-one".