1310131020109 has 4 divisors (see below), whose sum is σ = 1328583569760. Its totient is φ = 1291678470460.

The previous prime is 1310131020053. The next prime is 1310131020113. The reversal of 1310131020109 is 9010201310131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1310131020109 - 2⁹ = 1310131019597 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 1310131020109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310131020179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9226274719 + ... + 9226274860.

It is an arithmetic number, because the mean of its divisors is an integer number (332145892440).

Almost surely, 2^{1310131020109} is an apocalyptic number.

It is an amenable number.

1310131020109 is a deficient number, since it is larger than the sum of its proper divisors (18452549651).

1310131020109 is an equidigital number, since it uses as much as digits as its factorization.

1310131020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452549650.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 1310131020109 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, twenty thousand, one hundred nine".