1031426332201 has 2 divisors, whose sum is σ = 1031426332202. Its totient is φ = 1031426332200.

The previous prime is 1031426332193. The next prime is 1031426332249. The reversal of 1031426332201 is 1022336241301.

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., 929218881600 + 102207450601 = 963960^2 + 319699^2 .

It is an emirp because it is prime and its reverse (1022336241301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031426332201 - 2³ = 1031426332193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031426332201.

It is not a weakly prime, because it can be changed into another prime (1031426332501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515713166100 + 515713166101.

It is an arithmetic number, because the mean of its divisors is an integer number (515713166101).

Almost surely, 2^{1031426332201} is an apocalyptic number.

It is an amenable number.

1031426332201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031426332201 is an equidigital number, since it uses as much as digits as its factorization.

1031426332201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 1031426332201 in words is "one trillion, thirty-one billion, four hundred twenty-six million, three hundred thirty-two thousand, two hundred one".