231671307 has 8 divisors (see below), whose sum is σ = 353022976. Its totient is φ = 132383592.

The previous prime is 231671303. The next prime is 231671317. The reversal of 231671307 is 703176132.

231671307 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 not a de Polignac number, because 231671307 - 2² = 231671303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231671303) 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, 5515963 + ... + 5516004.

It is an arithmetic number, because the mean of its divisors is an integer number (44127872).

Almost surely, 2^231671307 is an apocalyptic number.

231671307 is a deficient number, since it is larger than the sum of its proper divisors (121351669).

231671307 is a wasteful number, since it uses less digits than its factorization.

231671307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031977.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 231671307 is about 15220.7525109634. The cubic root of 231671307 is about 614.1730414816.

The spelling of 231671307 in words is "two hundred thirty-one million, six hundred seventy-one thousand, three hundred seven".