47101231 has 2 divisors, whose sum is σ = 47101232. Its totient is φ = 47101230.

The previous prime is 47101199. The next prime is 47101253. The reversal of 47101231 is 13210174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47101231 - 2⁵ = 47101199 is a prime.

It is a super-2 number, since 2×47101231² = 4437051923430722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47101199 and 47101208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47101031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23550615 + 23550616.

It is an arithmetic number, because the mean of its divisors is an integer number (23550616).

Almost surely, 2^47101231 is an apocalyptic number.

47101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

47101231 is an equidigital number, since it uses as much as digits as its factorization.

47101231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 47101231 is about 6863.0336586673. The cubic root of 47101231 is about 361.1415180146.

The spelling of 47101231 in words is "forty-seven million, one hundred one thousand, two hundred thirty-one".