1323103130031 has 4 divisors (see below), whose sum is σ = 1764137506712. Its totient is φ = 882068753352.

The previous prime is 1323103130023. The next prime is 1323103130033. The reversal of 1323103130031 is 1300313013231.

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

It is not a de Polignac number, because 1323103130031 - 2³ = 1323103130023 is a prime.

It is a super-2 number, since 2×1323103130031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323103130033) 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, 220517188336 + ... + 220517188341.

It is an arithmetic number, because the mean of its divisors is an integer number (441034376678).

Almost surely, 2^{1323103130031} is an apocalyptic number.

1323103130031 is a deficient number, since it is larger than the sum of its proper divisors (441034376681).

1323103130031 is an equidigital number, since it uses as much as digits as its factorization.

1323103130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441034376680.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1323103130031 its reverse (1300313013231), we get a palindrome (2623416143262).

The spelling of 1323103130031 in words is "one trillion, three hundred twenty-three billion, one hundred three million, one hundred thirty thousand, thirty-one".