231330001133 has 32 divisors (see below), whose sum is σ = 289589465088. Its totient is φ = 179521876800.

The previous prime is 231330001129. The next prime is 231330001153. The reversal of 231330001133 is 331100033132.

It is not a de Polignac number, because 231330001133 - 2² = 231330001129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330001103) 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 31 ways as a sum of consecutive naturals, for example, 35147903 + ... + 35154483.

It is an arithmetic number, because the mean of its divisors is an integer number (9049670784).

Almost surely, 2^231330001133 is an apocalyptic number.

It is an amenable number.

231330001133 is a deficient number, since it is larger than the sum of its proper divisors (58259463955).

231330001133 is a wasteful number, since it uses less digits than its factorization.

231330001133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 231330001133 its reverse (331100033132), we get a palindrome (562430034265).

The spelling of 231330001133 in words is "two hundred thirty-one billion, three hundred thirty million, one thousand, one hundred thirty-three".