46131691 has 2 divisors, whose sum is σ = 46131692. Its totient is φ = 46131690.

The previous prime is 46131671. The next prime is 46131697. The reversal of 46131691 is 19613164.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46131691 is a prime.

It is not a weakly prime, because it can be changed into another prime (46131697) 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 as a sum of consecutive naturals, namely, 23065845 + 23065846.

It is an arithmetic number, because the mean of its divisors is an integer number (23065846).

Almost surely, 2^46131691 is an apocalyptic number.

46131691 is a deficient number, since it is larger than the sum of its proper divisors (1).

46131691 is an equidigital number, since it uses as much as digits as its factorization.

46131691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 46131691 is about 6792.0314339673. The cubic root of 46131691 is about 358.6463853544.

The spelling of 46131691 in words is "forty-six million, one hundred thirty-one thousand, six hundred ninety-one".