1320431010 has 32 divisors (see below), whose sum is σ = 3220990272. Its totient is φ = 346342080.

The previous prime is 1320431009. The next prime is 1320431017. The reversal of 1320431010 is 101340231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1320431017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358944 + ... + 362603.

It is an arithmetic number, because the mean of its divisors is an integer number (100655946).

Almost surely, 2^1320431010 is an apocalyptic number.

1320431010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320431010 is an abundant number, since it is smaller than the sum of its proper divisors (1900559262).

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

1320431010 is a wasteful number, since it uses less digits than its factorization.

1320431010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721618.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1320431010 is about 36337.7353449551. The cubic root of 1320431010 is about 1097.0806917602.

Adding to 1320431010 its reverse (101340231), we get a palindrome (1421771241).

The spelling of 1320431010 in words is "one billion, three hundred twenty million, four hundred thirty-one thousand, ten".