1030143331403 has 4 divisors (see below), whose sum is σ = 1031823826848. Its totient is φ = 1028462835960.

The previous prime is 1030143331361. The next prime is 1030143331409. The reversal of 1030143331403 is 3041333410301.

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 1030143331403 - 2¹⁰ = 1030143330379 is a prime.

It is a super-2 number, since 2×1030143331403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030143331409) 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, 840246803 + ... + 840248028.

It is an arithmetic number, because the mean of its divisors is an integer number (257955956712).

Almost surely, 2^{1030143331403} is an apocalyptic number.

1030143331403 is a deficient number, since it is larger than the sum of its proper divisors (1680495445).

1030143331403 is an equidigital number, since it uses as much as digits as its factorization.

1030143331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680495444.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1030143331403 its reverse (3041333410301), we get a palindrome (4071476741704).

The spelling of 1030143331403 in words is "one trillion, thirty billion, one hundred forty-three million, three hundred thirty-one thousand, four hundred three".