1031131134247 has 2 divisors, whose sum is σ = 1031131134248. Its totient is φ = 1031131134246.

The previous prime is 1031131134227. The next prime is 1031131134259. The reversal of 1031131134247 is 7424311311301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031131134247 - 2³¹ = 1028983650599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031131134227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515565567123 + 515565567124.

It is an arithmetic number, because the mean of its divisors is an integer number (515565567124).

Almost surely, 2^{1031131134247} is an apocalyptic number.

1031131134247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031131134247 is an equidigital number, since it uses as much as digits as its factorization.

1031131134247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 1031131134247 its reverse (7424311311301), we get a palindrome (8455442445548).

The spelling of 1031131134247 in words is "one trillion, thirty-one billion, one hundred thirty-one million, one hundred thirty-four thousand, two hundred forty-seven".