231280665411 has 16 divisors (see below), whose sum is σ = 319027887360. Its totient is φ = 148860946080.

The previous prime is 231280665397. The next prime is 231280665433. The reversal of 231280665411 is 114566082132.

It is not a de Polignac number, because 231280665411 - 2⁶ = 231280665347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231280665411.

It is not an unprimeable number, because it can be changed into a prime (231180665411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472376 + ... + 1621866.

It is an arithmetic number, because the mean of its divisors is an integer number (19939242960).

Almost surely, 2^231280665411 is an apocalyptic number.

231280665411 is a deficient number, since it is larger than the sum of its proper divisors (87747221949).

231280665411 is a wasteful number, since it uses less digits than its factorization.

231280665411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167306.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 231280665411 in words is "two hundred thirty-one billion, two hundred eighty million, six hundred sixty-five thousand, four hundred eleven".