212310131 has 8 divisors (see below), whose sum is σ = 239598000. Its totient is φ = 186353440.

The previous prime is 212310113. The next prime is 212310151. The reversal of 212310131 is 131013212.

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 212310131 - 2⁶ = 212310067 is a prime.

It is a super-2 number, since 2×212310131² = 90151183450474322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212310101) 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, 332456 + ... + 333093.

It is an arithmetic number, because the mean of its divisors is an integer number (29949750).

Almost surely, 2^212310131 is an apocalyptic number.

212310131 is a deficient number, since it is larger than the sum of its proper divisors (27287869).

212310131 is a wasteful number, since it uses less digits than its factorization.

212310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665589.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 212310131 is about 14570.8658287694. The cubic root of 212310131 is about 596.5638132308.

Adding to 212310131 its reverse (131013212), we get a palindrome (343323343).

The spelling of 212310131 in words is "two hundred twelve million, three hundred ten thousand, one hundred thirty-one".