231133103103312 has 60 divisors (see below), whose sum is σ = 651192956930100. Its totient is φ = 76527291400704.

The previous prime is 231133103103299. The next prime is 231133103103349. The reversal of 231133103103312 is 213301301331132.

231133103103312 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 3 + 3 + 10 + 310 + 331 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 154041261304896 + 77091841798416 = 12411336^2 + 8780196^2 .

It is a super-2 number, since 2×231133103103312² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5386189933 + ... + 5386232844.

It is an arithmetic number, because the mean of its divisors is an integer number (10853215948835).

Almost surely, 2^{231133103103312} is an apocalyptic number.

It is an amenable number.

231133103103312 is an abundant number, since it is smaller than the sum of its proper divisors (420059853826788).

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

231133103103312 is a wasteful number, since it uses less digits than its factorization.

231133103103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10772422940 (or 10772422931 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 231133103103312 its reverse (213301301331132), we get a palindrome (444434404434444).

The spelling of 231133103103312 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, one hundred three million, one hundred three thousand, three hundred twelve".