1310131021308 has 12 divisors (see below), whose sum is σ = 3056972383080. Its totient is φ = 436710340432.

The previous prime is 1310131021307. The next prime is 1310131021321. The reversal of 1310131021308 is 8031201310131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310131021307) 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, 54588792543 + ... + 54588792566.

It is an arithmetic number, because the mean of its divisors is an integer number (254747698590).

Almost surely, 2^{1310131021308} is an apocalyptic number.

It is an amenable number.

1310131021308 is an abundant number, since it is smaller than the sum of its proper divisors (1746841361772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310131021308 is a wasteful number, since it uses less digits than its factorization.

1310131021308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109177585116 (or 109177585114 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 1310131021308 its reverse (8031201310131), we get a palindrome (9341332331439).

The spelling of 1310131021308 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, twenty-one thousand, three hundred eight".