1302241231 has 2 divisors, whose sum is σ = 1302241232. Its totient is φ = 1302241230.

The previous prime is 1302241223. The next prime is 1302241249. The reversal of 1302241231 is 1321422031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1302241231 - 2³ = 1302241223 is a prime.

It is a super-2 number, since 2×1302241231² = 3391664447432790722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302241199 and 1302241208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302281231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651120615 + 651120616.

It is an arithmetic number, because the mean of its divisors is an integer number (651120616).

Almost surely, 2^1302241231 is an apocalyptic number.

1302241231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302241231 is an equidigital number, since it uses as much as digits as its factorization.

1302241231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1302241231 is about 36086.5796522752. The cubic root of 1302241231 is about 1092.0197187577.

Adding to 1302241231 its reverse (1321422031), we get a palindrome (2623663262).

The spelling of 1302241231 in words is "one billion, three hundred two million, two hundred forty-one thousand, two hundred thirty-one".