231071141152247 has 16 divisors (see below), whose sum is σ = 265515710987520. Its totient is φ = 198880493385600.

The previous prime is 231071141152217. The next prime is 231071141152289. The reversal of 231071141152247 is 742251141170132.

It is a cyclic number.

It is not a de Polignac number, because 231071141152247 - 2²² = 231071136957943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231071141152217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355632779 + ... + 356281932.

It is an arithmetic number, because the mean of its divisors is an integer number (16594731936720).

Almost surely, 2^{231071141152247} is an apocalyptic number.

231071141152247 is a deficient number, since it is larger than the sum of its proper divisors (34444569835273).

231071141152247 is a wasteful number, since it uses less digits than its factorization.

231071141152247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711916294.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 231071141152247 in words is "two hundred thirty-one trillion, seventy-one billion, one hundred forty-one million, one hundred fifty-two thousand, two hundred forty-seven".