1020313304 has 32 divisors (see below), whose sum is σ = 1998972000. Its totient is φ = 487314432.

The previous prime is 1020313303. The next prime is 1020313309. The reversal of 1020313304 is 4033130201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020313303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149192 + ... + 155880.

It is an arithmetic number, because the mean of its divisors is an integer number (62467875).

Almost surely, 2^1020313304 is an apocalyptic number.

It is an amenable number.

1020313304 is a deficient number, since it is larger than the sum of its proper divisors (978658696).

1020313304 is a wasteful number, since it uses less digits than its factorization.

1020313304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547 (or 7543 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020313304 is about 31942.3434331296. The cubic root of 1020313304 is about 1006.7257640164.

Adding to 1020313304 its reverse (4033130201), we get a palindrome (5053443505).

The spelling of 1020313304 in words is "one billion, twenty million, three hundred thirteen thousand, three hundred four".