1313223123031 has 8 divisors (see below), whose sum is σ = 1316755547424. Its totient is φ = 1309691980800.

The previous prime is 1313223123011. The next prime is 1313223123041. The reversal of 1313223123031 is 1303213223131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313223123031 - 2¹⁷ = 1313222991959 is a prime.

It is a super-2 number, since 2×1313223123031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313223122987 and 1313223123005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313223123011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748590 + ... + 2384116.

It is an arithmetic number, because the mean of its divisors is an integer number (164594443428).

Almost surely, 2^{1313223123031} is an apocalyptic number.

1313223123031 is a deficient number, since it is larger than the sum of its proper divisors (3532424393).

1313223123031 is an equidigital number, since it uses as much as digits as its factorization.

1313223123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641081.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1313223123031 its reverse (1303213223131), we get a palindrome (2616436346162).

The spelling of 1313223123031 in words is "one trillion, three hundred thirteen billion, two hundred twenty-three million, one hundred twenty-three thousand, thirty-one".