212031023333113 has 4 divisors (see below), whose sum is σ = 212212091671888. Its totient is φ = 211849954994340.

The previous prime is 212031023333099. The next prime is 212031023333119. The reversal of 212031023333113 is 311333320130212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212031023333113 - 2²¹ = 212031021235961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212031023333119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90534167631 + ... + 90534169972.

It is an arithmetic number, because the mean of its divisors is an integer number (53053022917972).

Almost surely, 2^{212031023333113} is an apocalyptic number.

It is an amenable number.

212031023333113 is a deficient number, since it is larger than the sum of its proper divisors (181068338775).

212031023333113 is a wasteful number, since it uses less digits than its factorization.

212031023333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181068338774.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 212031023333113 its reverse (311333320130212), we get a palindrome (523364343463325).

The spelling of 212031023333113 in words is "two hundred twelve trillion, thirty-one billion, twenty-three million, three hundred thirty-three thousand, one hundred thirteen".