1331110402 has 8 divisors (see below), whose sum is σ = 2029398012. Its totient is φ = 654644400.

The previous prime is 1331110399. The next prime is 1331110439. The reversal of 1331110402 is 2040111331.

It can be written as a sum of positive squares in 2 ways, for example, as 1238969601 + 92140801 = 35199^2 + 9599^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455249 + ... + 5455492.

Almost surely, 2^1331110402 is an apocalyptic number.

1331110402 is a deficient number, since it is larger than the sum of its proper divisors (698287610).

1331110402 is a wasteful number, since it uses less digits than its factorization.

1331110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910804.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1331110402 is about 36484.3857286922. The cubic root of 1331110402 is about 1100.0304129332.

Adding to 1331110402 its reverse (2040111331), we get a palindrome (3371221733).

The spelling of 1331110402 in words is "one billion, three hundred thirty-one million, one hundred ten thousand, four hundred two".