1310302123 has 12 divisors (see below), whose sum is σ = 1420609968. Its totient is φ = 1208007840.

The previous prime is 1310302121. The next prime is 1310302129. The reversal of 1310302123 is 3212030131.

It is not a de Polignac number, because 1310302123 - 2¹ = 1310302121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310302097 and 1310302106.

It is not an unprimeable number, because it can be changed into a prime (1310302121) 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, 145533 + ... + 154273.

It is an arithmetic number, because the mean of its divisors is an integer number (118384164).

Almost surely, 2^1310302123 is an apocalyptic number.

1310302123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1310302123 is a deficient number, since it is larger than the sum of its proper divisors (110307845).

1310302123 is an equidigital number, since it uses as much as digits as its factorization.

1310302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9641 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1310302123 is about 36198.0955714524. The cubic root of 1310302123 is about 1094.2682914900.

Adding to 1310302123 its reverse (3212030131), we get a palindrome (4522332254).

The spelling of 1310302123 in words is "one billion, three hundred ten million, three hundred two thousand, one hundred twenty-three".