231034330111321 has 16 divisors (see below), whose sum is σ = 253548898404480. Its totient is φ = 208771691950080.

The previous prime is 231034330111307. The next prime is 231034330111399. The reversal of 231034330111321 is 123111033430132.

It is a cyclic number.

It is not a de Polignac number, because 231034330111321 - 2¹⁷ = 231034329980249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231034330111321.

It is not an unprimeable number, because it can be changed into a prime (231034330111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234344665 + ... + 235328473.

It is an arithmetic number, because the mean of its divisors is an integer number (15846806150280).

Almost surely, 2^{231034330111321} is an apocalyptic number.

It is an amenable number.

231034330111321 is a deficient number, since it is larger than the sum of its proper divisors (22514568293159).

231034330111321 is a wasteful number, since it uses less digits than its factorization.

231034330111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111824.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 231034330111321 its reverse (123111033430132), we get a palindrome (354145363541453).

The spelling of 231034330111321 in words is "two hundred thirty-one trillion, thirty-four billion, three hundred thirty million, one hundred eleven thousand, three hundred twenty-one".