1301252231 has 2 divisors, whose sum is σ = 1301252232. Its totient is φ = 1301252230.

The previous prime is 1301252159. The next prime is 1301252263. The reversal of 1301252231 is 1322521031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301252231 - 2¹⁴ = 1301235847 is a prime.

It is a super-2 number, since 2×1301252231² = 3386514737364954722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301252431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650626115 + 650626116.

It is an arithmetic number, because the mean of its divisors is an integer number (650626116).

Almost surely, 2^1301252231 is an apocalyptic number.

1301252231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301252231 is an equidigital number, since it uses as much as digits as its factorization.

1301252231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1301252231 is about 36072.8738943822. The cubic root of 1301252231 is about 1091.7432003475.

Adding to 1301252231 its reverse (1322521031), we get a palindrome (2623773262).

The spelling of 1301252231 in words is "one billion, three hundred one million, two hundred fifty-two thousand, two hundred thirty-one".