1310332420 has 24 divisors (see below), whose sum is σ = 2755084248. Its totient is φ = 523488000.

The previous prime is 1310332403. The next prime is 1310332451. The reversal of 1310332420 is 242330131.

It can be written as a sum of positive squares in 4 ways, for example, as 2208196 + 1308124224 = 1486^2 + 36168^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23481 + ... + 56320.

It is an arithmetic number, because the mean of its divisors is an integer number (114795177).

Almost surely, 2^1310332420 is an apocalyptic number.

1310332420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310332420 is an abundant number, since it is smaller than the sum of its proper divisors (1444751828).

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

1310332420 is a wasteful number, since it uses less digits than its factorization.

1310332420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80631 (or 80629 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1310332420 is about 36198.5140579002. The cubic root of 1310332420 is about 1094.2767253696.

Adding to 1310332420 its reverse (242330131), we get a palindrome (1552662551).

The spelling of 1310332420 in words is "one billion, three hundred ten million, three hundred thirty-two thousand, four hundred twenty".