212031541 has 8 divisors (see below), whose sum is σ = 218542464. Its totient is φ = 205584480.

The previous prime is 212031529. The next prime is 212031563. The reversal of 212031541 is 145130212.

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 212031541 - 2⁵ = 212031509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9181 + ... + 22546.

It is an arithmetic number, because the mean of its divisors is an integer number (27317808).

Almost surely, 2^212031541 is an apocalyptic number.

It is an amenable number.

212031541 is a deficient number, since it is larger than the sum of its proper divisors (6510923).

212031541 is a wasteful number, since it uses less digits than its factorization.

212031541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31931.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 212031541 is about 14561.3028606646. The cubic root of 212031541 is about 596.3027651458.

Adding to 212031541 its reverse (145130212), we get a palindrome (357161753).

The spelling of 212031541 in words is "two hundred twelve million, thirty-one thousand, five hundred forty-one".