31110300213 has 16 divisors (see below), whose sum is σ = 42108028416. Its totient is φ = 20426511600.

The previous prime is 31110300197. The next prime is 31110300229. The reversal of 31110300213 is 31200301113.

It is an interprime number because it is at equal distance from previous prime (31110300197) and next prime (31110300229).

It is not a de Polignac number, because 31110300213 - 2⁴ = 31110300197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31110300192 and 31110300201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110300283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223770 + ... + 1248932.

It is an arithmetic number, because the mean of its divisors is an integer number (2631751776).

Almost surely, 2^31110300213 is an apocalyptic number.

It is an amenable number.

31110300213 is a deficient number, since it is larger than the sum of its proper divisors (10997728203).

31110300213 is a wasteful number, since it uses less digits than its factorization.

31110300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31384.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31110300213 its reverse (31200301113), we get a palindrome (62310601326).

The spelling of 31110300213 in words is "thirty-one billion, one hundred ten million, three hundred thousand, two hundred thirteen".