1302310231 has 2 divisors, whose sum is σ = 1302310232. Its totient is φ = 1302310230.

The previous prime is 1302310193. The next prime is 1302310259. The reversal of 1302310231 is 1320132031.

It is a strong prime.

It is an emirp because it is prime and its reverse (1320132031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1302310231 - 2⁹ = 1302309719 is a prime.

It is a super-2 number, since 2×1302310231² = 3392023875534546722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302310631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651155115 + 651155116.

It is an arithmetic number, because the mean of its divisors is an integer number (651155116).

Almost surely, 2^1302310231 is an apocalyptic number.

1302310231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302310231 is an equidigital number, since it uses as much as digits as its factorization.

1302310231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1302310231 is about 36087.5356736921. The cubic root of 1302310231 is about 1092.0390055146.

Adding to 1302310231 its reverse (1320132031), we get a palindrome (2622442262).

The spelling of 1302310231 in words is "one billion, three hundred two million, three hundred ten thousand, two hundred thirty-one".