31110003313213 has 4 divisors (see below), whose sum is σ = 33938185432608. Its totient is φ = 28281821193820.

The previous prime is 31110003313127. The next prime is 31110003313223. The reversal of 31110003313213 is 31231330001113.

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 31110003313213 - 2⁹ = 31110003312701 is a prime.

It is a super-3 number, since 3×31110003313213³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110003313223) 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 3 ways as a sum of consecutive naturals, for example, 1414091059681 + ... + 1414091059702.

It is an arithmetic number, because the mean of its divisors is an integer number (8484546358152).

Almost surely, 2^{31110003313213} is an apocalyptic number.

It is an amenable number.

31110003313213 is a deficient number, since it is larger than the sum of its proper divisors (2828182119395).

31110003313213 is a wasteful number, since it uses less digits than its factorization.

31110003313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828182119394.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31110003313213 its reverse (31231330001113), we get a palindrome (62341333314326).

The spelling of 31110003313213 in words is "thirty-one trillion, one hundred ten billion, three million, three hundred thirteen thousand, two hundred thirteen".