47348831 has 2 divisors, whose sum is σ = 47348832. Its totient is φ = 47348830.

The previous prime is 47348803. The next prime is 47348839. The reversal of 47348831 is 13884374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47348831 - 2⁶ = 47348767 is a prime.

It is a super-2 number, since 2×47348831² = 4483823594133122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47348839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23674415 + 23674416.

It is an arithmetic number, because the mean of its divisors is an integer number (23674416).

Almost surely, 2^47348831 is an apocalyptic number.

47348831 is a deficient number, since it is larger than the sum of its proper divisors (1).

47348831 is an equidigital number, since it uses as much as digits as its factorization.

47348831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 47348831 is about 6881.0486846120. The cubic root of 47348831 is about 361.7732241630.

The spelling of 47348831 in words is "forty-seven million, three hundred forty-eight thousand, eight hundred thirty-one".