3906531131 has 2 divisors, whose sum is σ = 3906531132. Its totient is φ = 3906531130.

The previous prime is 3906531113. The next prime is 3906531137. The reversal of 3906531131 is 1311356093.

Together with previous prime (3906531113) 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 not a de Polignac number, because 3906531131 - 2⁶ = 3906531067 is a prime.

It is a super-2 number, since 2×3906531131² = 30521970954944278322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3906531137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953265565 + 1953265566.

It is an arithmetic number, because the mean of its divisors is an integer number (1953265566).

Almost surely, 2^3906531131 is an apocalyptic number.

3906531131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3906531131 is an equidigital number, since it uses as much as digits as its factorization.

3906531131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 3906531131 is about 62502.2490075357. The cubic root of 3906531131 is about 1574.9390931012.

The spelling of 3906531131 in words is "three billion, nine hundred six million, five hundred thirty-one thousand, one hundred thirty-one".