31110113301021 has 12 divisors (see below), whose sum is σ = 44945520553440. Its totient is φ = 20736064658760.

The previous prime is 31110113300999. The next prime is 31110113301031. The reversal of 31110113301021 is 12010331101113.

31110113301021 is a `hidden beast` number, since 311 + 1 + 0 + 1 + 1 + 330 + 1 + 0 + 21 = 666.

It is not a de Polignac number, because 31110113301021 - 2¹³ = 31110113292829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31110113300985 and 31110113301003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110113301031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334190481 + ... + 334283558.

It is an arithmetic number, because the mean of its divisors is an integer number (3745460046120).

Almost surely, 2^{31110113301021} is an apocalyptic number.

It is an amenable number.

31110113301021 is a deficient number, since it is larger than the sum of its proper divisors (13835407252419).

31110113301021 is a wasteful number, since it uses less digits than its factorization.

31110113301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668479216 (or 668479213 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 31110113301021 its reverse (12010331101113), we get a palindrome (43120444402134).

The spelling of 31110113301021 in words is "thirty-one trillion, one hundred ten billion, one hundred thirteen million, three hundred one thousand, twenty-one".