1310120003 has 2 divisors, whose sum is σ = 1310120004. Its totient is φ = 1310120002.

The previous prime is 1310119981. The next prime is 1310120023. The reversal of 1310120003 is 3000210131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310120003 - 2²⁶ = 1243011139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310120023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655060001 + 655060002.

It is an arithmetic number, because the mean of its divisors is an integer number (655060002).

Almost surely, 2^1310120003 is an apocalyptic number.

1310120003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310120003 is an equidigital number, since it uses as much as digits as its factorization.

1310120003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1310120003 is about 36195.5798820795. The cubic root of 1310120003 is about 1094.2175913826.

Adding to 1310120003 its reverse (3000210131), we get a palindrome (4310330134).

The spelling of 1310120003 in words is "one billion, three hundred ten million, one hundred twenty thousand, three".