1331105404 has 48 divisors (see below), whose sum is σ = 2516613120. Its totient is φ = 614243520.

The previous prime is 1331105353. The next prime is 1331105411. The reversal of 1331105404 is 4045011331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605262 + ... + 1606090.

It is an arithmetic number, because the mean of its divisors is an integer number (52429440).

Almost surely, 2^1331105404 is an apocalyptic number.

It is an amenable number.

1331105404 is a deficient number, since it is larger than the sum of its proper divisors (1185507716).

1331105404 is a wasteful number, since it uses less digits than its factorization.

1331105404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1331105404 is about 36484.3172335731. The cubic root of 1331105404 is about 1100.0290361481.

Adding to 1331105404 its reverse (4045011331), we get a palindrome (5376116735).

The spelling of 1331105404 in words is "one billion, three hundred thirty-one million, one hundred five thousand, four hundred four".