212103130331 has 8 divisors (see below), whose sum is σ = 224513755200. Its totient is φ = 199817235720.

The previous prime is 212103130289. The next prime is 212103130399. The reversal of 212103130331 is 133031301212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212103130331 is a prime.

It is a super-2 number, since 2×212103130331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212103135331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31179065 + ... + 31185866.

It is an arithmetic number, because the mean of its divisors is an integer number (28064219400).

Almost surely, 2^212103130331 is an apocalyptic number.

212103130331 is a deficient number, since it is larger than the sum of its proper divisors (12410624869).

212103130331 is a wasteful number, since it uses less digits than its factorization.

212103130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62365129.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 212103130331 its reverse (133031301212), we get a palindrome (345134431543).

The spelling of 212103130331 in words is "two hundred twelve billion, one hundred three million, one hundred thirty thousand, three hundred thirty-one".