1031032135513 has 2 divisors, whose sum is σ = 1031032135514. Its totient is φ = 1031032135512.

The previous prime is 1031032135457. The next prime is 1031032135591. The reversal of 1031032135513 is 3155312301301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 730500124249 + 300532011264 = 854693^2 + 548208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031032135513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031032145513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515516067756 + 515516067757.

It is an arithmetic number, because the mean of its divisors is an integer number (515516067757).

Almost surely, 2^{1031032135513} is an apocalyptic number.

It is an amenable number.

1031032135513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031032135513 is an equidigital number, since it uses as much as digits as its factorization.

1031032135513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 1031032135513 its reverse (3155312301301), we get a palindrome (4186344436814).

The spelling of 1031032135513 in words is "one trillion, thirty-one billion, thirty-two million, one hundred thirty-five thousand, five hundred thirteen".