315120401616133 has 2 divisors, whose sum is σ = 315120401616134. Its totient is φ = 315120401616132.

The previous prime is 315120401616127. The next prime is 315120401616149. The reversal of 315120401616133 is 331616104021513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264774664522404 + 50345737093729 = 16271898^2 + 7095473^2 .

It is a cyclic number.

It is not a de Polignac number, because 315120401616133 - 2²⁵ = 315120368061701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315120401616092 and 315120401616101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315120401616833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157560200808066 + 157560200808067.

It is an arithmetic number, because the mean of its divisors is an integer number (157560200808067).

Almost surely, 2^{315120401616133} is an apocalyptic number.

It is an amenable number.

315120401616133 is a deficient number, since it is larger than the sum of its proper divisors (1).

315120401616133 is an equidigital number, since it uses as much as digits as its factorization.

315120401616133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

Adding to 315120401616133 its reverse (331616104021513), we get a palindrome (646736505637646).

The spelling of 315120401616133 in words is "three hundred fifteen trillion, one hundred twenty billion, four hundred one million, six hundred sixteen thousand, one hundred thirty-three".