1303113887 has 4 divisors (see below), whose sum is σ = 1322563416. Its totient is φ = 1283664360.

The previous prime is 1303113793. The next prime is 1303113893. The reversal of 1303113887 is 7883113031.

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

It is a cyclic number.

It is not a de Polignac number, because 1303113887 - 2¹⁸ = 1302851743 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 (1303113187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9724664 + ... + 9724797.

It is an arithmetic number, because the mean of its divisors is an integer number (330640854).

Almost surely, 2^1303113887 is an apocalyptic number.

1303113887 is a deficient number, since it is larger than the sum of its proper divisors (19449529).

1303113887 is an equidigital number, since it uses as much as digits as its factorization.

1303113887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19449528.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1303113887 is about 36098.6687704685. The cubic root of 1303113887 is about 1092.2635918465.

The spelling of 1303113887 in words is "one billion, three hundred three million, one hundred thirteen thousand, eight hundred eighty-seven".