1312100187353 has 2 divisors, whose sum is σ = 1312100187354. Its totient is φ = 1312100187352.

The previous prime is 1312100187341. The next prime is 1312100187367. The reversal of 1312100187353 is 3537810012131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915089299609 + 397010887744 = 956603^2 + 630088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312100187353 - 2²⁴ = 1312083410137 is a prime.

It is a super-2 number, since 2×1312100187353² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312100187373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656050093676 + 656050093677.

It is an arithmetic number, because the mean of its divisors is an integer number (656050093677).

Almost surely, 2^{1312100187353} is an apocalyptic number.

It is an amenable number.

1312100187353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312100187353 is an equidigital number, since it uses as much as digits as its factorization.

1312100187353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

Adding to 1312100187353 its reverse (3537810012131), we get a palindrome (4849910199484).

The spelling of 1312100187353 in words is "one trillion, three hundred twelve billion, one hundred million, one hundred eighty-seven thousand, three hundred fifty-three".