1310303221003 has 24 divisors (see below), whose sum is σ = 1657512527328. Its totient is φ = 1011092535552.

The previous prime is 1310303220973. The next prime is 1310303221061. The reversal of 1310303221003 is 3001223030131.

It is not a de Polignac number, because 1310303221003 - 2¹³ = 1310303212811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310303222003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10344376 + ... + 10470277.

It is an arithmetic number, because the mean of its divisors is an integer number (69063021972).

Almost surely, 2^{1310303221003} is an apocalyptic number.

1310303221003 is a deficient number, since it is larger than the sum of its proper divisors (347209306325).

1310303221003 is a wasteful number, since it uses less digits than its factorization.

1310303221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814723 (or 20814700 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1310303221003 its reverse (3001223030131), we get a palindrome (4311526251134).

The spelling of 1310303221003 in words is "one trillion, three hundred ten billion, three hundred three million, two hundred twenty-one thousand, three".