1303388073 has 48 divisors (see below), whose sum is σ = 2090664576. Its totient is φ = 777358080.

The previous prime is 1303388071. The next prime is 1303388077. The reversal of 1303388073 is 3708833031.

1303388073 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1303388073 - 2¹ = 1303388071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303388071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 800286 + ... + 801912.

It is an arithmetic number, because the mean of its divisors is an integer number (43555512).

Almost surely, 2^1303388073 is an apocalyptic number.

1303388073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1303388073 is a deficient number, since it is larger than the sum of its proper divisors (787276503).

1303388073 is a wasteful number, since it uses less digits than its factorization.

1303388073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1303388073 is about 36102.4663007945. The cubic root of 1303388073 is about 1092.3401935890.

It can be divided in two parts, 1303 and 388073, that added together give a square (389376 = 624²).

The spelling of 1303388073 in words is "one billion, three hundred three million, three hundred eighty-eight thousand, seventy-three".