231214471 has 2 divisors, whose sum is σ = 231214472. Its totient is φ = 231214470.

The previous prime is 231214429. The next prime is 231214493. The reversal of 231214471 is 174412132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231214471 - 2⁷ = 231214343 is a prime.

It is a super-3 number, since 3×231214471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231214421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115607235 + 115607236.

It is an arithmetic number, because the mean of its divisors is an integer number (115607236).

Almost surely, 2^231214471 is an apocalyptic number.

231214471 is a deficient number, since it is larger than the sum of its proper divisors (1).

231214471 is an equidigital number, since it uses as much as digits as its factorization.

231214471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 231214471 is about 15205.7380945484. The cubic root of 231214471 is about 613.7690769370.

The spelling of 231214471 in words is "two hundred thirty-one million, two hundred fourteen thousand, four hundred seventy-one".