1302311213223 has 4 divisors (see below), whose sum is σ = 1736414950968. Its totient is φ = 868207475480.

The previous prime is 1302311213179. The next prime is 1302311213251. The reversal of 1302311213223 is 3223121132031.

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 1302311213223 - 2⁹ = 1302311212711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302311213193 and 1302311213202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302311214223) 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, 217051868868 + ... + 217051868873.

It is an arithmetic number, because the mean of its divisors is an integer number (434103737742).

Almost surely, 2^{1302311213223} is an apocalyptic number.

1302311213223 is a deficient number, since it is larger than the sum of its proper divisors (434103737745).

1302311213223 is an equidigital number, since it uses as much as digits as its factorization.

1302311213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434103737744.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1302311213223 its reverse (3223121132031), we get a palindrome (4525432345254).

The spelling of 1302311213223 in words is "one trillion, three hundred two billion, three hundred eleven million, two hundred thirteen thousand, two hundred twenty-three".