1303213113113 has 4 divisors (see below), whose sum is σ = 1379872708020. Its totient is φ = 1226553518208.

The previous prime is 1303213113109. The next prime is 1303213113121. The reversal of 1303213113113 is 3113113123031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1096035204889 + 207177908224 = 1046917^2 + 455168^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303213113113 - 2² = 1303213113109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303213113913) 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, 38329797428 + ... + 38329797461.

It is an arithmetic number, because the mean of its divisors is an integer number (344968177005).

Almost surely, 2^{1303213113113} is an apocalyptic number.

It is an amenable number.

1303213113113 is a deficient number, since it is larger than the sum of its proper divisors (76659594907).

1303213113113 is an equidigital number, since it uses as much as digits as its factorization.

1303213113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76659594906.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1303213113113 its reverse (3113113123031), we get a palindrome (4416326236144).

The spelling of 1303213113113 in words is "one trillion, three hundred three billion, two hundred thirteen million, one hundred thirteen thousand, one hundred thirteen".