1031242361 has 2 divisors, whose sum is σ = 1031242362. Its totient is φ = 1031242360.

The previous prime is 1031242357. The next prime is 1031242367. The reversal of 1031242361 is 1632421301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861070336 + 170172025 = 29344^2 + 13045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031242361 - 2² = 1031242357 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031242367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515621180 + 515621181.

It is an arithmetic number, because the mean of its divisors is an integer number (515621181).

Almost surely, 2^1031242361 is an apocalyptic number.

It is an amenable number.

1031242361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031242361 is an equidigital number, since it uses as much as digits as its factorization.

1031242361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1031242361 is about 32112.9625073739. The cubic root of 1031242361 is about 1010.3075105205.

Adding to 1031242361 its reverse (1632421301), we get a palindrome (2663663662).

The spelling of 1031242361 in words is "one billion, thirty-one million, two hundred forty-two thousand, three hundred sixty-one".