211231031031113 has 8 divisors (see below), whose sum is σ = 211976960872800. Its totient is φ = 210486093779808.

The previous prime is 211231031031101. The next prime is 211231031031149. The reversal of 211231031031113 is 311130130132112.

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

It is a cyclic number.

It is not a de Polignac number, because 211231031031113 - 2¹² = 211231031027017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211231031031173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247721228 + ... + 248572461.

It is an arithmetic number, because the mean of its divisors is an integer number (26497120109100).

Almost surely, 2^{211231031031113} is an apocalyptic number.

It is an amenable number.

211231031031113 is a deficient number, since it is larger than the sum of its proper divisors (745929841687).

211231031031113 is a wasteful number, since it uses less digits than its factorization.

211231031031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496295191.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 211231031031113 its reverse (311130130132112), we get a palindrome (522361161163225).

The spelling of 211231031031113 in words is "two hundred eleven trillion, two hundred thirty-one billion, thirty-one million, thirty-one thousand, one hundred thirteen".