1321332010 has 64 divisors (see below), whose sum is σ = 2601849600. Its totient is φ = 481420800.

The previous prime is 1321331981. The next prime is 1321332013. The reversal of 1321332010 is 102331231.

It is not an unprimeable number, because it can be changed into a prime (1321332013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551896 + ... + 554284.

It is an arithmetic number, because the mean of its divisors is an integer number (40653900).

Almost surely, 2^1321332010 is an apocalyptic number.

1321332010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321332010 is a deficient number, since it is larger than the sum of its proper divisors (1280517590).

1321332010 is a wasteful number, since it uses less digits than its factorization.

1321332010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1321332010 is about 36350.1308113190. The cubic root of 1321332010 is about 1097.3301671089.

Adding to 1321332010 its reverse (102331231), we get a palindrome (1423663241).

The spelling of 1321332010 in words is "one billion, three hundred twenty-one million, three hundred thirty-two thousand, ten".