1302230331121 has 4 divisors (see below), whose sum is σ = 1306864603044. Its totient is φ = 1297596059200.

The previous prime is 1302230331109. The next prime is 1302230331167. The reversal of 1302230331121 is 1211330322031.

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 456078712896 + 846151618225 = 675336^2 + 919865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302230331121 - 2²⁷ = 1302096113393 is a prime.

It is a super-2 number, since 2×1302230331121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302230331092 and 1302230331101.

It is not an unprimeable number, because it can be changed into a prime (1302230331421) 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, 2317135540 + ... + 2317136101.

It is an arithmetic number, because the mean of its divisors is an integer number (326716150761).

Almost surely, 2^{1302230331121} is an apocalyptic number.

It is an amenable number.

1302230331121 is a deficient number, since it is larger than the sum of its proper divisors (4634271923).

1302230331121 is an equidigital number, since it uses as much as digits as its factorization.

1302230331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634271922.

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

Adding to 1302230331121 its reverse (1211330322031), we get a palindrome (2513560653152).

The spelling of 1302230331121 in words is "one trillion, three hundred two billion, two hundred thirty million, three hundred thirty-one thousand, one hundred twenty-one".