1031010201973 has 2 divisors, whose sum is σ = 1031010201974. Its totient is φ = 1031010201972.

The previous prime is 1031010201959. The next prime is 1031010202069. The reversal of 1031010201973 is 3791020101301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1007227010449 + 23783191524 = 1003607^2 + 154218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031010201973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031010201913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515505100986 + 515505100987.

It is an arithmetic number, because the mean of its divisors is an integer number (515505100987).

Almost surely, 2^{1031010201973} is an apocalyptic number.

It is an amenable number.

1031010201973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031010201973 is an equidigital number, since it uses as much as digits as its factorization.

1031010201973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The spelling of 1031010201973 in words is "one trillion, thirty-one billion, ten million, two hundred one thousand, nine hundred seventy-three".