31112213010229 has 8 divisors (see below), whose sum is σ = 33505571278872. Its totient is φ = 28718870615040.

The previous prime is 31112213010167. The next prime is 31112213010257. The reversal of 31112213010229 is 92201031221113.

It can be written as a sum of positive squares in 4 ways, for example, as 1857073935025 + 29255139075204 = 1362745^2 + 5408802^2 .

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 31112213010229 - 2¹¹ = 31112213008181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31112213010197 and 31112213010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112213010269) 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, 270117 + ... + 7892869.

It is an arithmetic number, because the mean of its divisors is an integer number (4188196409859).

Almost surely, 2^{31112213010229} is an apocalyptic number.

It is an amenable number.

31112213010229 is a deficient number, since it is larger than the sum of its proper divisors (2393358268643).

31112213010229 is a wasteful number, since it uses less digits than its factorization.

31112213010229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936727.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 31112213010229 in words is "thirty-one trillion, one hundred twelve billion, two hundred thirteen million, ten thousand, two hundred twenty-nine".