1302223121331 has 64 divisors (see below), whose sum is σ = 1932723182592. Its totient is φ = 773352000000.

The previous prime is 1302223121299. The next prime is 1302223121359. The reversal of 1302223121331 is 1331213222031.

It is not a de Polignac number, because 1302223121331 - 2⁵ = 1302223121299 is a prime.

It is a super-2 number, since 2×1302223121331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1302223101331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139404721 + ... + 139414061.

It is an arithmetic number, because the mean of its divisors is an integer number (30198799728).

Almost surely, 2^{1302223121331} is an apocalyptic number.

1302223121331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1302223121331 is a deficient number, since it is larger than the sum of its proper divisors (630500061261).

1302223121331 is a wasteful number, since it uses less digits than its factorization.

1302223121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884.

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

Adding to 1302223121331 its reverse (1331213222031), we get a palindrome (2633436343362).

The spelling of 1302223121331 in words is "one trillion, three hundred two billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred thirty-one".