1302130131101 has 4 divisors (see below), whose sum is σ = 1302133203804. Its totient is φ = 1302127058400.

The previous prime is 1302130131091. The next prime is 1302130131163. The reversal of 1302130131101 is 1011310312031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 855236544100 + 446893587001 = 924790^2 + 668501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302130131101 - 2²⁶ = 1302063022237 is a prime.

It is a super-2 number, since 2×1302130131101² (a number of 25 digits) contains 22 as substring.

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 1302130131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302130631101) 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, 774890 + ... + 1790171.

It is an arithmetic number, because the mean of its divisors is an integer number (325533300951).

Almost surely, 2^{1302130131101} is an apocalyptic number.

It is an amenable number.

1302130131101 is a deficient number, since it is larger than the sum of its proper divisors (3072703).

1302130131101 is an equidigital number, since it uses as much as digits as its factorization.

1302130131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072702.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1302130131101 its reverse (1011310312031), we get a palindrome (2313440443132).

The spelling of 1302130131101 in words is "one trillion, three hundred two billion, one hundred thirty million, one hundred thirty-one thousand, one hundred one".