211331103233130 has 24 divisors (see below), whose sum is σ = 549460868406372. Its totient is φ = 56354960862144.

The previous prime is 211331103233111. The next prime is 211331103233137. The reversal of 211331103233130 is 31332301133112.

211331103233130 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 311 + 0 + 32 + 3 + 313 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 207206495619561 + 4124607613569 = 14394669^2 + 2030913^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211331103233094 and 211331103233103.

It is not an unprimeable number, because it can be changed into a prime (211331103233137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1174061684539 + ... + 1174061684718.

Almost surely, 2^{211331103233130} is an apocalyptic number.

211331103233130 is an abundant number, since it is smaller than the sum of its proper divisors (338129765173242).

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

211331103233130 is a wasteful number, since it uses less digits than its factorization.

211331103233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348123369270 (or 2348123369267 counting only the distinct ones).

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

Adding to 211331103233130 its reverse (31332301133112), we get a palindrome (242663404366242).

The spelling of 211331103233130 in words is "two hundred eleven trillion, three hundred thirty-one billion, one hundred three million, two hundred thirty-three thousand, one hundred thirty".