47082131 has 2 divisors, whose sum is σ = 47082132. Its totient is φ = 47082130.

The previous prime is 47082107. The next prime is 47082137. The reversal of 47082131 is 13128074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47082131 - 2¹⁸ = 46819987 is a prime.

It is a super-2 number, since 2×47082131² = 4433454119002322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 47082131.

It is not a weakly prime, because it can be changed into another prime (47082137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23541065 + 23541066.

It is an arithmetic number, because the mean of its divisors is an integer number (23541066).

Almost surely, 2^47082131 is an apocalyptic number.

47082131 is a deficient number, since it is larger than the sum of its proper divisors (1).

47082131 is an equidigital number, since it uses as much as digits as its factorization.

47082131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 47082131 is about 6861.6420046517. The cubic root of 47082131 is about 361.0926959673.

The spelling of 47082131 in words is "forty-seven million, eighty-two thousand, one hundred thirty-one".