1021231130713 has 2 divisors, whose sum is σ = 1021231130714. Its totient is φ = 1021231130712.

The previous prime is 1021231130687. The next prime is 1021231130729. The reversal of 1021231130713 is 3170311321201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017812623689 + 3418507024 = 1008867^2 + 58468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021231130713 - 2⁵ = 1021231130681 is a prime.

It is a super-3 number, since 3×1021231130713³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1021231230713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510615565356 + 510615565357.

It is an arithmetic number, because the mean of its divisors is an integer number (510615565357).

Almost surely, 2^{1021231130713} is an apocalyptic number.

It is an amenable number.

1021231130713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021231130713 is an equidigital number, since it uses as much as digits as its factorization.

1021231130713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 1021231130713 its reverse (3170311321201), we get a palindrome (4191542451914).

The spelling of 1021231130713 in words is "one trillion, twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, seven hundred thirteen".