1310021304 has 32 divisors (see below), whose sum is σ = 3417448320. Its totient is φ = 417687776.

The previous prime is 1310021303. The next prime is 1310021311. The reversal of 1310021304 is 4031200131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310021303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186062 + ... + 1187165.

It is an arithmetic number, because the mean of its divisors is an integer number (106795260).

Almost surely, 2^1310021304 is an apocalyptic number.

It is an amenable number.

1310021304 is an abundant number, since it is smaller than the sum of its proper divisors (2107427016).

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

1310021304 is a wasteful number, since it uses less digits than its factorization.

1310021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373259 (or 2373255 counting only the distinct ones).

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

The square root of 1310021304 is about 36194.2164440674. The cubic root of 1310021304 is about 1094.1901127563.

Adding to 1310021304 its reverse (4031200131), we get a palindrome (5341221435).

The spelling of 1310021304 in words is "one billion, three hundred ten million, twenty-one thousand, three hundred four".