1331133210 has 64 divisors (see below), whose sum is σ = 3872396160. Its totient is φ = 322698240.

The previous prime is 1331133203. The next prime is 1331133229. The reversal of 1331133210 is 123311331.

It is a happy number.

1331133210 is a `hidden beast` number, since 1 + 331 + 1 + 332 + 1 + 0 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221127 + ... + 227066.

It is an arithmetic number, because the mean of its divisors is an integer number (60506190).

Almost surely, 2^1331133210 is an apocalyptic number.

1331133210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331133210 is an abundant number, since it is smaller than the sum of its proper divisors (2541262950).

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

1331133210 is a wasteful number, since it uses less digits than its factorization.

1331133210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448220 (or 448214 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1331133210 is about 36484.6982994241. The cubic root of 1331133210 is about 1100.0366957455.

Adding to 1331133210 its reverse (123311331), we get a palindrome (1454444541).

The spelling of 1331133210 in words is "one billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred ten".