31112201118 has 8 divisors (see below), whose sum is σ = 62224402248. Its totient is φ = 10370733704.

The previous prime is 31112201101. The next prime is 31112201119. The reversal of 31112201118 is 81110221113.

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

31112201118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31112201094 and 31112201103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112201119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2592683421 + ... + 2592683432.

It is an arithmetic number, because the mean of its divisors is an integer number (7778050281).

Almost surely, 2^31112201118 is an apocalyptic number.

31112201118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112201118 is a wasteful number, since it uses less digits than its factorization.

31112201118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185366858.

The product of its (nonzero) digits is 96, while the sum is 21.

The spelling of 31112201118 in words is "thirty-one billion, one hundred twelve million, two hundred one thousand, one hundred eighteen".