1031020203133 has 2 divisors, whose sum is σ = 1031020203134. Its totient is φ = 1031020203132.

The previous prime is 1031020203053. The next prime is 1031020203139. The reversal of 1031020203133 is 3313020201301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868096568089 + 162923635044 = 931717^2 + 403638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031020203133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031020203133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031020203139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515510101566 + 515510101567.

It is an arithmetic number, because the mean of its divisors is an integer number (515510101567).

Almost surely, 2^{1031020203133} is an apocalyptic number.

It is an amenable number.

1031020203133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031020203133 is an equidigital number, since it uses as much as digits as its factorization.

1031020203133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1031020203133 its reverse (3313020201301), we get a palindrome (4344040404434).

The spelling of 1031020203133 in words is "one trillion, thirty-one billion, twenty million, two hundred three thousand, one hundred thirty-three".