213111312034 has 8 divisors (see below), whose sum is σ = 319718404908. Its totient is φ = 106538510400.

The previous prime is 213111312019. The next prime is 213111312049. The reversal of 213111312034 is 430213111312.

213111312034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213111312019) and next prime (213111312049).

It can be written as a sum of positive squares in 2 ways, for example, as 189439951009 + 23671361025 = 435247^2 + 153855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213111311996 and 213111312014.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8557267 + ... + 8582134.

Almost surely, 2^213111312034 is an apocalyptic number.

213111312034 is a deficient number, since it is larger than the sum of its proper divisors (106607092874).

213111312034 is a wasteful number, since it uses less digits than its factorization.

213111312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145620.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213111312034 its reverse (430213111312), we get a palindrome (643324423346).

The spelling of 213111312034 in words is "two hundred thirteen billion, one hundred eleven million, three hundred twelve thousand, thirty-four".