1031142197 has 2 divisors, whose sum is σ = 1031142198. Its totient is φ = 1031142196.

The previous prime is 1031142149. The next prime is 1031142223. The reversal of 1031142197 is 7912411301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 916030756 + 115111441 = 30266^2 + 10729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031142197 - 2²² = 1026947893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031142137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515571098 + 515571099.

It is an arithmetic number, because the mean of its divisors is an integer number (515571099).

Almost surely, 2^1031142197 is an apocalyptic number.

It is an amenable number.

1031142197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031142197 is an equidigital number, since it uses as much as digits as its factorization.

1031142197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1031142197 is about 32111.4029123612. The cubic root of 1031142197 is about 1010.2747992582.

Adding to 1031142197 its reverse (7912411301), we get a palindrome (8943553498).

The spelling of 1031142197 in words is "one billion, thirty-one million, one hundred forty-two thousand, one hundred ninety-seven".