1302232231 has 2 divisors, whose sum is σ = 1302232232. Its totient is φ = 1302232230.

The previous prime is 1302232223. The next prime is 1302232259. The reversal of 1302232231 is 1322322031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1302232231 - 2³ = 1302232223 is a prime.

It is a super-2 number, since 2×1302232231² = 3391617566910474722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302232199 and 1302232208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302232031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651116115 + 651116116.

It is an arithmetic number, because the mean of its divisors is an integer number (651116116).

Almost surely, 2^1302232231 is an apocalyptic number.

1302232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302232231 is an equidigital number, since it uses as much as digits as its factorization.

1302232231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1302232231 is about 36086.4549519622. The cubic root of 1302232231 is about 1092.0172030436.

Adding to 1302232231 its reverse (1322322031), we get a palindrome (2624554262).

The spelling of 1302232231 in words is "one billion, three hundred two million, two hundred thirty-two thousand, two hundred thirty-one".