1303322011253 has 4 divisors (see below), whose sum is σ = 1303382408160. Its totient is φ = 1303261614348.

The previous prime is 1303322011249. The next prime is 1303322011423. The reversal of 1303322011253 is 3521102233031.

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.

It is a cyclic number.

It is not a de Polignac number, because 1303322011253 - 2² = 1303322011249 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 (1303322011753) 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, 30166073 + ... + 30209246.

It is an arithmetic number, because the mean of its divisors is an integer number (325845602040).

Almost surely, 2^{1303322011253} is an apocalyptic number.

It is an amenable number.

1303322011253 is a deficient number, since it is larger than the sum of its proper divisors (60396907).

1303322011253 is an equidigital number, since it uses as much as digits as its factorization.

1303322011253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60396906.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 1303322011253 its reverse (3521102233031), we get a palindrome (4824424244284).

The spelling of 1303322011253 in words is "one trillion, three hundred three billion, three hundred twenty-two million, eleven thousand, two hundred fifty-three".