1302131223103 has 4 divisors (see below), whose sum is σ = 1302140702880. Its totient is φ = 1302121743328.

The previous prime is 1302131223101. The next prime is 1302131223109. The reversal of 1302131223103 is 3013221312031.

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

It is a cyclic number.

It is not a de Polignac number, because 1302131223103 - 2¹ = 1302131223101 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 (1302131223101) 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, 4530775 + ... + 4809592.

It is an arithmetic number, because the mean of its divisors is an integer number (325535175720).

Almost surely, 2^{1302131223103} is an apocalyptic number.

1302131223103 is a deficient number, since it is larger than the sum of its proper divisors (9479777).

1302131223103 is an equidigital number, since it uses as much as digits as its factorization.

1302131223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9479776.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1302131223103 its reverse (3013221312031), we get a palindrome (4315352535134).

The spelling of 1302131223103 in words is "one trillion, three hundred two billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred three".