1031127389393 has 2 divisors, whose sum is σ = 1031127389394. Its totient is φ = 1031127389392.

The previous prime is 1031127389359. The next prime is 1031127389407. The reversal of 1031127389393 is 3939837211301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830336467984 + 200790921409 = 911228^2 + 448097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031127389393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031127389293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515563694696 + 515563694697.

It is an arithmetic number, because the mean of its divisors is an integer number (515563694697).

Almost surely, 2^{1031127389393} is an apocalyptic number.

It is an amenable number.

1031127389393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031127389393 is an equidigital number, since it uses as much as digits as its factorization.

1031127389393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 1031127389393 in words is "one trillion, thirty-one billion, one hundred twenty-seven million, three hundred eighty-nine thousand, three hundred ninety-three".