212032331 has 8 divisors (see below), whose sum is σ = 252858624. Its totient is φ = 173840040.

The previous prime is 212032321. The next prime is 212032339. The reversal of 212032331 is 133230212.

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 212032331 - 2¹⁸ = 211770187 is a prime.

It is a super-2 number, since 2×212032331² = 89915418778587122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212032339) 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, 658325 + ... + 658646.

It is an arithmetic number, because the mean of its divisors is an integer number (31607328).

Almost surely, 2^212032331 is an apocalyptic number.

212032331 is a deficient number, since it is larger than the sum of its proper divisors (40826293).

212032331 is a wasteful number, since it uses less digits than its factorization.

212032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317001.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 212032331 is about 14561.3299873329. The cubic root of 212032331 is about 596.3035057253.

Adding to 212032331 its reverse (133230212), we get a palindrome (345262543).

The spelling of 212032331 in words is "two hundred twelve million, thirty-two thousand, three hundred thirty-one".