1303320101 has 4 divisors (see below), whose sum is σ = 1313582592. Its totient is φ = 1293057612.

The previous prime is 1303320077. The next prime is 1303320103. The reversal of 1303320101 is 1010233031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1010233031 = 3593 ⋅281167.

It is not a de Polignac number, because 1303320101 - 2⁶ = 1303320037 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 (1303320103) 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, 5131055 + ... + 5131308.

It is an arithmetic number, because the mean of its divisors is an integer number (328395648).

Almost surely, 2^1303320101 is an apocalyptic number.

It is an amenable number.

1303320101 is a deficient number, since it is larger than the sum of its proper divisors (10262491).

1303320101 is a wasteful number, since it uses less digits than its factorization.

1303320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262490.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1303320101 is about 36101.5249123912. The cubic root of 1303320101 is about 1092.3212046580.

Adding to 1303320101 its reverse (1010233031), we get a palindrome (2313553132).

The spelling of 1303320101 in words is "one billion, three hundred three million, three hundred twenty thousand, one hundred one".