1310131103 has 2 divisors, whose sum is σ = 1310131104. Its totient is φ = 1310131102.

The previous prime is 1310131019. The next prime is 1310131133. The reversal of 1310131103 is 3011310131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310131103 - 2²⁰ = 1309082527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310131133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655065551 + 655065552.

It is an arithmetic number, because the mean of its divisors is an integer number (655065552).

Almost surely, 2^1310131103 is an apocalyptic number.

1310131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310131103 is an equidigital number, since it uses as much as digits as its factorization.

1310131103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1310131103 is about 36195.7332153943. The cubic root of 1310131103 is about 1094.2206816291.

Adding to 1310131103 its reverse (3011310131), we get a palindrome (4321441234).

The spelling of 1310131103 in words is "one billion, three hundred ten million, one hundred thirty-one thousand, one hundred three".