1302222001331 has 4 divisors (see below), whose sum is σ = 1302228522600. Its totient is φ = 1302215480064.

The previous prime is 1302222001319. The next prime is 1302222001337. The reversal of 1302222001331 is 1331002222031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302222001331 is a prime.

It is a super-2 number, since 2×1302222001331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302222001337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951321 + ... + 3363738.

It is an arithmetic number, because the mean of its divisors is an integer number (325557130650).

Almost surely, 2^{1302222001331} is an apocalyptic number.

1302222001331 is a deficient number, since it is larger than the sum of its proper divisors (6521269).

1302222001331 is an equidigital number, since it uses as much as digits as its factorization.

1302222001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521268.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1302222001331 its reverse (1331002222031), we get a palindrome (2633224223362).

The spelling of 1302222001331 in words is "one trillion, three hundred two billion, two hundred twenty-two million, one thousand, three hundred thirty-one".