1310210123 has 2 divisors, whose sum is σ = 1310210124. Its totient is φ = 1310210122.

The previous prime is 1310210101. The next prime is 1310210141. The reversal of 1310210123 is 3210120131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310210123 - 2²⁸ = 1041774667 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310210098 and 1310210107.

It is not a weakly prime, because it can be changed into another prime (1310210173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655105061 + 655105062.

It is an arithmetic number, because the mean of its divisors is an integer number (655105062).

Almost surely, 2^1310210123 is an apocalyptic number.

1310210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310210123 is an equidigital number, since it uses as much as digits as its factorization.

1310210123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1310210123 is about 36196.8247640591. The cubic root of 1310210123 is about 1094.2426803384.

Adding to 1310210123 its reverse (3210120131), we get a palindrome (4520330254).

The spelling of 1310210123 in words is "one billion, three hundred ten million, two hundred ten thousand, one hundred twenty-three".