1310023402403 has 8 divisors (see below), whose sum is σ = 1369010108928. Its totient is φ = 1252333107144.

The previous prime is 1310023402399. The next prime is 1310023402409. The reversal of 1310023402403 is 3042043200131.

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 1310023402403 - 2² = 1310023402399 is a prime.

It is a super-2 number, since 2×1310023402403² (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 (1310023402409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324100751 + ... + 324104792.

It is an arithmetic number, because the mean of its divisors is an integer number (171126263616).

Almost surely, 2^{1310023402403} is an apocalyptic number.

1310023402403 is a deficient number, since it is larger than the sum of its proper divisors (58986706525).

1310023402403 is an equidigital number, since it uses as much as digits as its factorization.

1310023402403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648205633.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1310023402403 its reverse (3042043200131), we get a palindrome (4352066602534).

The spelling of 1310023402403 in words is "one trillion, three hundred ten billion, twenty-three million, four hundred two thousand, four hundred three".