1331313210 has 48 divisors (see below), whose sum is σ = 3463317000. Its totient is φ = 354821760.

The previous prime is 1331313167. The next prime is 1331313233. The reversal of 1331313210 is 123131331.

It is a happy number.

1331313210 is a `hidden beast` number, since 1 + 331 + 313 + 21 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 687016521 + 644296689 = 26211^2 + 25383^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244720 + ... + 250100.

Almost surely, 2^1331313210 is an apocalyptic number.

1331313210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331313210 is an abundant number, since it is smaller than the sum of its proper divisors (2132003790).

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

1331313210 is a wasteful number, since it uses less digits than its factorization.

1331313210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143 (or 8140 counting only the distinct ones).

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

The square root of 1331313210 is about 36487.1650036009. The cubic root of 1331313210 is about 1100.0862769794.

Adding to 1331313210 its reverse (123131331), we get a palindrome (1454444541).

The spelling of 1331313210 in words is "one billion, three hundred thirty-one million, three hundred thirteen thousand, two hundred ten".