212348031 has 8 divisors (see below), whose sum is σ = 323577984. Its totient is φ = 121341720.

The previous prime is 212347999. The next prime is 212348053. The reversal of 212348031 is 130843212.

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

It is not a de Polignac number, because 212348031 - 2⁵ = 212347999 is a prime.

It is a super-2 number, since 2×212348031² = 90183372539153922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 212347992 and 212348010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212348231) 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, 5055885 + ... + 5055926.

It is an arithmetic number, because the mean of its divisors is an integer number (40447248).

Almost surely, 2^212348031 is an apocalyptic number.

212348031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212348031 is a deficient number, since it is larger than the sum of its proper divisors (111229953).

212348031 is a wasteful number, since it uses less digits than its factorization.

212348031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111821.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 212348031 is about 14572.1663111563. The cubic root of 212348031 is about 596.5993091398.

The spelling of 212348031 in words is "two hundred twelve million, three hundred forty-eight thousand, thirty-one".