213031132112111 has 8 divisors (see below), whose sum is σ = 215148372552960. Its totient is φ = 210922243705368.

The previous prime is 213031132112101. The next prime is 213031132112173. The reversal of 213031132112111 is 111211231130312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213031132112111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031132112101) 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 7 ways as a sum of consecutive naturals, for example, 2087957261 + ... + 2088059286.

It is an arithmetic number, because the mean of its divisors is an integer number (26893546569120).

Almost surely, 2^{213031132112111} is an apocalyptic number.

213031132112111 is a deficient number, since it is larger than the sum of its proper divisors (2117240440849).

213031132112111 is a wasteful number, since it uses less digits than its factorization.

213031132112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176017053.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 213031132112111 its reverse (111211231130312), we get a palindrome (324242363242423).

The spelling of 213031132112111 in words is "two hundred thirteen trillion, thirty-one billion, one hundred thirty-two million, one hundred twelve thousand, one hundred eleven".