1030321131023 has 4 divisors (see below), whose sum is σ = 1030329565848. Its totient is φ = 1030312696200.

The previous prime is 1030321130963. The next prime is 1030321131053. The reversal of 1030321131023 is 3201311230301.

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 1030321131023 - 2¹⁸ = 1030320868879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030321130986 and 1030321131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030321131053) 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, 4031453 + ... + 4279398.

It is an arithmetic number, because the mean of its divisors is an integer number (257582391462).

Almost surely, 2^{1030321131023} is an apocalyptic number.

1030321131023 is a deficient number, since it is larger than the sum of its proper divisors (8434825).

1030321131023 is an equidigital number, since it uses as much as digits as its factorization.

1030321131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434824.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1030321131023 its reverse (3201311230301), we get a palindrome (4231632361324).

The spelling of 1030321131023 in words is "one trillion, thirty billion, three hundred twenty-one million, one hundred thirty-one thousand, twenty-three".