1303055730 has 48 divisors (see below), whose sum is σ = 3460040064. Its totient is φ = 340087200.

The previous prime is 1303055713. The next prime is 1303055749. The reversal of 1303055730 is 375503031.

1303055730 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1303055694 and 1303055703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149796 + ... + 158255.

It is an arithmetic number, because the mean of its divisors is an integer number (72084168).

Almost surely, 2^1303055730 is an apocalyptic number.

1303055730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303055730 is an abundant number, since it is smaller than the sum of its proper divisors (2156984334).

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

1303055730 is a wasteful number, since it uses less digits than its factorization.

1303055730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308111 (or 308108 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 1303055730 is about 36097.8632331610. The cubic root of 1303055730 is about 1092.2473426352.

Adding to 1303055730 its reverse (375503031), we get a palindrome (1678558761).

The spelling of 1303055730 in words is "one billion, three hundred three million, fifty-five thousand, seven hundred thirty".