1031241010321 has 2 divisors, whose sum is σ = 1031241010322. Its totient is φ = 1031241010320.

The previous prime is 1031241010259. The next prime is 1031241010399. The reversal of 1031241010321 is 1230101421301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937874096721 + 93366913600 = 968439^2 + 305560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031241010321 - 2³¹ = 1029093526673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031241010021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515620505160 + 515620505161.

It is an arithmetic number, because the mean of its divisors is an integer number (515620505161).

Almost surely, 2^{1031241010321} is an apocalyptic number.

It is an amenable number.

1031241010321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031241010321 is an equidigital number, since it uses as much as digits as its factorization.

1031241010321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1031241010321 its reverse (1230101421301), we get a palindrome (2261342431622).

The spelling of 1031241010321 in words is "one trillion, thirty-one billion, two hundred forty-one million, ten thousand, three hundred twenty-one".