1303022513 has 16 divisors (see below), whose sum is σ = 1422150912. Its totient is φ = 1186680000.

The previous prime is 1303022467. The next prime is 1303022533. The reversal of 1303022513 is 3152203031.

It is a cyclic number.

It is not a de Polignac number, because 1303022513 - 2²⁶ = 1235913649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303022533) 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, 406748 + ... + 409938.

It is an arithmetic number, because the mean of its divisors is an integer number (88884432).

Almost surely, 2^1303022513 is an apocalyptic number.

1303022513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1303022513 is a deficient number, since it is larger than the sum of its proper divisors (119128399).

1303022513 is a wasteful number, since it uses less digits than its factorization.

1303022513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1303022513 is about 36097.4031337436. The cubic root of 1303022513 is about 1092.2380615054.

Adding to 1303022513 its reverse (3152203031), we get a palindrome (4455225544).

The spelling of 1303022513 in words is "one billion, three hundred three million, twenty-two thousand, five hundred thirteen".