1010403121303 has 4 divisors (see below), whose sum is σ = 1018359051520. Its totient is φ = 1002447191088.

The previous prime is 1010403121261. The next prime is 1010403121309. The reversal of 1010403121303 is 3031213040101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010403121303 - 2³³ = 1001813186711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010403121309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3977964918 + ... + 3977965171.

It is an arithmetic number, because the mean of its divisors is an integer number (254589762880).

Almost surely, 2^{1010403121303} is an apocalyptic number.

1010403121303 is a deficient number, since it is larger than the sum of its proper divisors (7955930217).

1010403121303 is an equidigital number, since it uses as much as digits as its factorization.

1010403121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955930216.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1010403121303 its reverse (3031213040101), we get a palindrome (4041616161404).

The spelling of 1010403121303 in words is "one trillion, ten billion, four hundred three million, one hundred twenty-one thousand, three hundred three".