1141531031317 has 2 divisors, whose sum is σ = 1141531031318. Its totient is φ = 1141531031316.

The previous prime is 1141531031309. The next prime is 1141531031353. The reversal of 1141531031317 is 7131301351411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 974512506276 + 167018525041 = 987174^2 + 408679^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141531031317 - 2³ = 1141531031309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141531031117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570765515658 + 570765515659.

It is an arithmetic number, because the mean of its divisors is an integer number (570765515659).

Almost surely, 2^{1141531031317} is an apocalyptic number.

It is an amenable number.

1141531031317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141531031317 is an equidigital number, since it uses as much as digits as its factorization.

1141531031317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

Adding to 1141531031317 its reverse (7131301351411), we get a palindrome (8272832382728).

The spelling of 1141531031317 in words is "one trillion, one hundred forty-one billion, five hundred thirty-one million, thirty-one thousand, three hundred seventeen".