212203131131 has 8 divisors (see below), whose sum is σ = 225459305280. Its totient is φ = 199155715848.

The previous prime is 212203131103. The next prime is 212203131211. The reversal of 212203131131 is 131131302212.

It is a happy number.

212203131131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212203131131 - 2¹⁰ = 212203130107 is a prime.

It is a super-2 number, since 2×212203131131² (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 (212203131631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52187621 + ... + 52191686.

It is an arithmetic number, because the mean of its divisors is an integer number (28182413160).

Almost surely, 2^212203131131 is an apocalyptic number.

212203131131 is a deficient number, since it is larger than the sum of its proper divisors (13256174149).

212203131131 is a wasteful number, since it uses less digits than its factorization.

212203131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104379433.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212203131131 its reverse (131131302212), we get a palindrome (343334433343).

The spelling of 212203131131 in words is "two hundred twelve billion, two hundred three million, one hundred thirty-one thousand, one hundred thirty-one".