1310131321012 has 6 divisors (see below), whose sum is σ = 2292729811778. Its totient is φ = 655065660504.

The previous prime is 1310131321003. The next prime is 1310131321019. The reversal of 1310131321012 is 2101231310131.

It can be written as a sum of positive squares in only one way, i.e., 1207440554896 + 102690766116 = 1098836^2 + 320454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310131321019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163766415123 + ... + 163766415130.

Almost surely, 2^{1310131321012} is an apocalyptic number.

It is an amenable number.

1310131321012 is a deficient number, since it is larger than the sum of its proper divisors (982598490766).

1310131321012 is a wasteful number, since it uses less digits than its factorization.

1310131321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327532830257 (or 327532830255 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1310131321012 its reverse (2101231310131), we get a palindrome (3411362631143).

It can be divided in two parts, 131013 and 1321012, that added together give a square (1452025 = 1205²).

The spelling of 1310131321012 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, three hundred twenty-one thousand, twelve".