1231130353 has 2 divisors, whose sum is σ = 1231130354. Its totient is φ = 1231130352.

The previous prime is 1231130279. The next prime is 1231130387. The reversal of 1231130353 is 3530311321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077940224 + 153190129 = 32832^2 + 12377^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231130353 - 2⁹ = 1231129841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231130393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615565176 + 615565177.

It is an arithmetic number, because the mean of its divisors is an integer number (615565177).

Almost surely, 2^1231130353 is an apocalyptic number.

It is an amenable number.

1231130353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231130353 is an equidigital number, since it uses as much as digits as its factorization.

1231130353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1231130353 is about 35087.4671784670. The cubic root of 1231130353 is about 1071.7693824404.

Adding to 1231130353 its reverse (3530311321), we get a palindrome (4761441674).

The spelling of 1231130353 in words is "one billion, two hundred thirty-one million, one hundred thirty thousand, three hundred fifty-three".