1303130111 has 4 divisors (see below), whose sum is σ = 1303302312. Its totient is φ = 1302957912.

The previous prime is 1303130077. The next prime is 1303130117. The reversal of 1303130111 is 1110313031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303130111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303130117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74201 + ... + 90066.

It is an arithmetic number, because the mean of its divisors is an integer number (325825578).

Almost surely, 2^1303130111 is an apocalyptic number.

1303130111 is a deficient number, since it is larger than the sum of its proper divisors (172201).

1303130111 is an equidigital number, since it uses as much as digits as its factorization.

1303130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172200.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1303130111 is about 36098.8934871971. The cubic root of 1303130111 is about 1092.2681247865.

Adding to 1303130111 its reverse (1110313031), we get a palindrome (2413443142).

The spelling of 1303130111 in words is "one billion, three hundred three million, one hundred thirty thousand, one hundred eleven".