1310132112021 has 12 divisors (see below), whose sum is σ = 1892476544140. Its totient is φ = 873392103360.

The previous prime is 1310132112011. The next prime is 1310132112061. The reversal of 1310132112021 is 1202112310131.

1310132112021 is a `hidden beast` number, since 1 + 310 + 1 + 321 + 12 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 877050980100 + 433081131921 = 936510^2 + 658089^2 .

It is not a de Polignac number, because 1310132112021 - 2¹⁰ = 1310132110997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310132111985 and 1310132112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310132112011) 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 in 11 ways as a sum of consecutive naturals, for example, 2157160 + ... + 2696961.

Almost surely, 2^{1310132112021} is an apocalyptic number.

It is an amenable number.

1310132112021 is a deficient number, since it is larger than the sum of its proper divisors (582344432119).

1310132112021 is a wasteful number, since it uses less digits than its factorization.

1310132112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884116 (or 4884113 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1310132112021 its reverse (1202112310131), we get a palindrome (2512244422152).

The spelling of 1310132112021 in words is "one trillion, three hundred ten billion, one hundred thirty-two million, one hundred twelve thousand, twenty-one".