3506706238531 has 2 divisors, whose sum is σ = 3506706238532. Its totient is φ = 3506706238530.

The previous prime is 3506706238507. The next prime is 3506706238583. The reversal of 3506706238531 is 1358326076053.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3506706238531 - 2⁹ = 3506706238019 is a prime.

It is a super-2 number, since 2×3506706238531² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3506706238501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753353119265 + 1753353119266.

It is an arithmetic number, because the mean of its divisors is an integer number (1753353119266).

Almost surely, 2^{3506706238531} is an apocalyptic number.

3506706238531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506706238531 is an equidigital number, since it uses as much as digits as its factorization.

3506706238531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 3506706238531 in words is "three trillion, five hundred six billion, seven hundred six million, two hundred thirty-eight thousand, five hundred thirty-one".