1331103852 has 36 divisors (see below), whose sum is σ = 3623561760. Its totient is φ = 409570272.

The previous prime is 1331103841. The next prime is 1331103853. The reversal of 1331103852 is 2583011331.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1331103853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1421652 + ... + 1422587.

Almost surely, 2^1331103852 is an apocalyptic number.

1331103852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331103852 is an abundant number, since it is smaller than the sum of its proper divisors (2292457908).

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

1331103852 is a wasteful number, since it uses less digits than its factorization.

1331103852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844262 (or 2844257 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1331103852 is about 36484.2959641542. The cubic root of 1331103852 is about 1100.0286086223.

The spelling of 1331103852 in words is "one billion, three hundred thirty-one million, one hundred three thousand, eight hundred fifty-two".