231120033330320 has 40 divisors (see below), whose sum is σ = 544715092266936. Its totient is φ = 91181602188288.

The previous prime is 231120033330299. The next prime is 231120033330331. The reversal of 231120033330320 is 23033330021132.

It is a happy number.

231120033330320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8253830210704 + 222866203119616 = 2872948^2 + 14928704^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 231120033330320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19787668247 + ... + 19787679926.

Almost surely, 2^{231120033330320} is an apocalyptic number.

231120033330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231120033330320 is an abundant number, since it is smaller than the sum of its proper divisors (313595058936616).

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

231120033330320 is a wasteful number, since it uses less digits than its factorization.

231120033330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39575348259 (or 39575348253 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 231120033330320 its reverse (23033330021132), we get a palindrome (254153363351452).

The spelling of 231120033330320 in words is "two hundred thirty-one trillion, one hundred twenty billion, thirty-three million, three hundred thirty thousand, three hundred twenty".