1310020303123 has 12 divisors (see below), whose sum is σ = 1526826152952. Its totient is φ = 1120719294240.

The previous prime is 1310020303103. The next prime is 1310020303147. The reversal of 1310020303123 is 3213030200131.

It is not a de Polignac number, because 1310020303123 - 2¹⁷ = 1310020172051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310020303123.

It is not an unprimeable number, because it can be changed into a prime (1310020303103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25631965 + ... + 25683022.

It is an arithmetic number, because the mean of its divisors is an integer number (127235512746).

Almost surely, 2^{1310020303123} is an apocalyptic number.

1310020303123 is a deficient number, since it is larger than the sum of its proper divisors (216805849829).

1310020303123 is an equidigital number, since it uses as much as digits as its factorization.

1310020303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51315522 (or 51315515 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1310020303123 its reverse (3213030200131), we get a palindrome (4523050503254).

The spelling of 1310020303123 in words is "one trillion, three hundred ten billion, twenty million, three hundred three thousand, one hundred twenty-three".