1331012118 has 8 divisors (see below), whose sum is σ = 2662024248. Its totient is φ = 443670704.

The previous prime is 1331012117. The next prime is 1331012119. The reversal of 1331012118 is 8112101331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1331012117) and next prime (1331012119).

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

1331012118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1331012094 and 1331012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331012113) 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, 110917671 + ... + 110917682.

It is an arithmetic number, because the mean of its divisors is an integer number (332753031).

Almost surely, 2^1331012118 is an apocalyptic number.

1331012118 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.

1331012118 is a wasteful number, since it uses less digits than its factorization.

1331012118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221835358.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1331012118 is about 36483.0387714620. The cubic root of 1331012118 is about 1100.0033382819.

Adding to 1331012118 its reverse (8112101331), we get a palindrome (9443113449).

The spelling of 1331012118 in words is "one billion, three hundred thirty-one million, twelve thousand, one hundred eighteen".