212013231031 has 8 divisors (see below), whose sum is σ = 242634129920. Its totient is φ = 181475655768.

The previous prime is 212013230971. The next prime is 212013231037. The reversal of 212013231031 is 130132310212.

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 212013231031 - 2¹⁷ = 212013099959 is a prime.

It is a super-2 number, since 2×212013231031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013231037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20825451 + ... + 20835628.

It is an arithmetic number, because the mean of its divisors is an integer number (30329266240).

Almost surely, 2^212013231031 is an apocalyptic number.

212013231031 is a deficient number, since it is larger than the sum of its proper divisors (30620898889).

212013231031 is an equidigital number, since it uses as much as digits as its factorization.

212013231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41661813.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212013231031 its reverse (130132310212), we get a palindrome (342145541243).

The spelling of 212013231031 in words is "two hundred twelve billion, thirteen million, two hundred thirty-one thousand, thirty-one".