1020042310103 has 2 divisors, whose sum is σ = 1020042310104. Its totient is φ = 1020042310102.

The previous prime is 1020042310037. The next prime is 1020042310109. The reversal of 1020042310103 is 3010132400201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020042310103 - 2¹² = 1020042306007 is a prime.

It is a super-3 number, since 3×1020042310103³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020042310109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510021155051 + 510021155052.

It is an arithmetic number, because the mean of its divisors is an integer number (510021155052).

Almost surely, 2^{1020042310103} is an apocalyptic number.

1020042310103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020042310103 is an equidigital number, since it uses as much as digits as its factorization.

1020042310103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020042310103 its reverse (3010132400201), we get a palindrome (4030174710304).

The spelling of 1020042310103 in words is "one trillion, twenty billion, forty-two million, three hundred ten thousand, one hundred three".