1331120418 has 16 divisors (see below), whose sum is σ = 2679199680. Its totient is φ = 440880336.

The previous prime is 1331120381. The next prime is 1331120431. The reversal of 1331120418 is 8140211331.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705598 + ... + 707481.

It is an arithmetic number, because the mean of its divisors is an integer number (167449980).

Almost surely, 2^1331120418 is an apocalyptic number.

1331120418 is an abundant number, since it is smaller than the sum of its proper divisors (1348079262).

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

1331120418 is a wasteful number, since it uses less digits than its factorization.

1331120418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413241.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1331120418 is about 36484.5229926335. The cubic root of 1331120418 is about 1100.0331720024.

Adding to 1331120418 its reverse (8140211331), we get a palindrome (9471331749).

The spelling of 1331120418 in words is "one billion, three hundred thirty-one million, one hundred twenty thousand, four hundred eighteen".