231064771 has 8 divisors (see below), whose sum is σ = 264547584. Its totient is φ = 197700360.

The previous prime is 231064759. The next prime is 231064819. The reversal of 231064771 is 177460132.

231064771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231064771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231064711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25375 + ... + 33256.

It is an arithmetic number, because the mean of its divisors is an integer number (33068448).

Almost surely, 2^231064771 is an apocalyptic number.

231064771 is a deficient number, since it is larger than the sum of its proper divisors (33482813).

231064771 is an equidigital number, since it uses as much as digits as its factorization.

231064771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59201.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 231064771 is about 15200.8148136868. The cubic root of 231064771 is about 613.6365865741.

It can be divided in two parts, 2310 and 64771, that added together give a square (67081 = 259²).

The spelling of 231064771 in words is "two hundred thirty-one million, sixty-four thousand, seven hundred seventy-one".