1302313303231 has 2 divisors, whose sum is σ = 1302313303232. Its totient is φ = 1302313303230.

The previous prime is 1302313303229. The next prime is 1302313303253. The reversal of 1302313303231 is 1323033132031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1302313303231 - 2¹ = 1302313303229 is a prime.

It is a super-2 number, since 2×1302313303231² (a number of 25 digits) contains 22 as substring.

Together with 1302313303229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1302313303196 and 1302313303205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302313303831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651156651615 + 651156651616.

It is an arithmetic number, because the mean of its divisors is an integer number (651156651616).

Almost surely, 2^{1302313303231} is an apocalyptic number.

1302313303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302313303231 is an equidigital number, since it uses as much as digits as its factorization.

1302313303231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1302313303231 its reverse (1323033132031), we get a palindrome (2625346435262).

The spelling of 1302313303231 in words is "one trillion, three hundred two billion, three hundred thirteen million, three hundred three thousand, two hundred thirty-one".