1312080101 has 2 divisors, whose sum is σ = 1312080102. Its totient is φ = 1312080100.

The previous prime is 1312080061. The next prime is 1312080139. The reversal of 1312080101 is 1010802131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 848323876 + 463756225 = 29126^2 + 21535^2 .

It is an emirp because it is prime and its reverse (1010802131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312080101 - 2¹⁴ = 1312063717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312080101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312080191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656040050 + 656040051.

It is an arithmetic number, because the mean of its divisors is an integer number (656040051).

Almost surely, 2^1312080101 is an apocalyptic number.

It is an amenable number.

1312080101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312080101 is an equidigital number, since it uses as much as digits as its factorization.

1312080101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1312080101 is about 36222.6462451323. The cubic root of 1312080101 is about 1094.7630134259.

Adding to 1312080101 its reverse (1010802131), we get a palindrome (2322882232).

The spelling of 1312080101 in words is "one billion, three hundred twelve million, eighty thousand, one hundred one".