1331101404 has 24 divisors (see below), whose sum is σ = 3451003920. Its totient is φ = 443700432.

The previous prime is 1331101403. The next prime is 1331101417. The reversal of 1331101404 is 4041011331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331101403) 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, 6162399 + ... + 6162614.

It is an arithmetic number, because the mean of its divisors is an integer number (143791830).

Almost surely, 2^1331101404 is an apocalyptic number.

It is an amenable number.

1331101404 is an abundant number, since it is smaller than the sum of its proper divisors (2119902516).

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

1331101404 is a wasteful number, since it uses less digits than its factorization.

1331101404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325026 (or 12325018 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1331101404 is about 36484.2624154580. The cubic root of 1331101404 is about 1100.0279342768.

Adding to 1331101404 its reverse (4041011331), we get a palindrome (5372112735).

The spelling of 1331101404 in words is "one billion, three hundred thirty-one million, one hundred one thousand, four hundred four".