212313102021031 has 12 divisors (see below), whose sum is σ = 243515422802736. Its totient is φ = 184620088711520.

The previous prime is 212313102020969. The next prime is 212313102021071. The reversal of 212313102021031 is 130120201313212.

It is not a de Polignac number, because 212313102021031 - 2³⁹ = 211763346207143 is a prime.

It is a super-2 number, since 2×212313102021031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212313102020993 and 212313102021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212313102021071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38144643646 + ... + 38144649211.

It is an arithmetic number, because the mean of its divisors is an integer number (20292951900228).

Almost surely, 2^{212313102021031} is an apocalyptic number.

212313102021031 is a deficient number, since it is larger than the sum of its proper divisors (31202320781705).

212313102021031 is a wasteful number, since it uses less digits than its factorization.

212313102021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76289292902 (or 76289292891 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 212313102021031 its reverse (130120201313212), we get a palindrome (342433303334243).

The spelling of 212313102021031 in words is "two hundred twelve trillion, three hundred thirteen billion, one hundred two million, twenty-one thousand, thirty-one".