212003031 has 8 divisors (see below), whose sum is σ = 282768640. Its totient is φ = 141286392.

The previous prime is 212003027. The next prime is 212003069. The reversal of 212003031 is 130300212.

It is a happy number.

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

It is not a de Polignac number, because 212003031 - 2² = 212003027 is a prime.

It is a super-2 number, since 2×212003031² = 89890570306373922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212002998 and 212003016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212003131) 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, 541 + ... + 20598.

It is an arithmetic number, because the mean of its divisors is an integer number (35346080).

Almost surely, 2^212003031 is an apocalyptic number.

212003031 is a deficient number, since it is larger than the sum of its proper divisors (70765609).

212003031 is a wasteful number, since it uses less digits than its factorization.

212003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24485.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 212003031 is about 14560.3238631563. The cubic root of 212003031 is about 596.2760374339.

Adding to 212003031 its reverse (130300212), we get a palindrome (342303243).

The spelling of 212003031 in words is "two hundred twelve million, three thousand, thirty-one".