231111133322000 has 40 divisors (see below), whose sum is σ = 558826720377432. Its totient is φ = 92444453328000.

The previous prime is 231111133321951. The next prime is 231111133322009. The reversal of 231111133322000 is 223331111132.

It can be written as a sum of positive squares in 4 ways, for example, as 113465104 + 231111019856896 = 10652^2 + 15202336^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (231111133322009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57777781331 + ... + 57777785330.

Almost surely, 2^{231111133322000} is an apocalyptic number.

231111133322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231111133322000 is an abundant number, since it is smaller than the sum of its proper divisors (327715587055432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231111133322000 is a wasteful number, since it uses less digits than its factorization.

231111133322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115555566684 (or 115555566668 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231111133322000 its reverse (223331111132), we get a palindrome (231334464433132).

The spelling of 231111133322000 in words is "two hundred thirty-one trillion, one hundred eleven billion, one hundred thirty-three million, three hundred twenty-two thousand".