2631120321041 has 2 divisors, whose sum is σ = 2631120321042. Its totient is φ = 2631120321040.

The previous prime is 2631120321023. The next prime is 2631120321107. The reversal of 2631120321041 is 1401230211362.

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., 1525459659025 + 1105660662016 = 1235095^2 + 1051504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2631120321041 - 2⁶ = 2631120320977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2631120321041.

It is not a weakly prime, because it can be changed into another prime (2631120321941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315560160520 + 1315560160521.

It is an arithmetic number, because the mean of its divisors is an integer number (1315560160521).

Almost surely, 2^{2631120321041} is an apocalyptic number.

It is an amenable number.

2631120321041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631120321041 is an equidigital number, since it uses as much as digits as its factorization.

2631120321041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 2631120321041 in words is "two trillion, six hundred thirty-one billion, one hundred twenty million, three hundred twenty-one thousand, forty-one".