315453031132361 has 2 divisors, whose sum is σ = 315453031132362. Its totient is φ = 315453031132360.

The previous prime is 315453031132333. The next prime is 315453031132363. The reversal of 315453031132361 is 163231130354513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310286815801600 + 5166215330761 = 17614960^2 + 2272931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315453031132361 is a prime.

It is a super-2 number, since 2×315453031132361² (a number of 30 digits) contains 22 as substring.

Together with 315453031132363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315453031132363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157726515566180 + 157726515566181.

It is an arithmetic number, because the mean of its divisors is an integer number (157726515566181).

Almost surely, 2^{315453031132361} is an apocalyptic number.

It is an amenable number.

315453031132361 is a deficient number, since it is larger than the sum of its proper divisors (1).

315453031132361 is an equidigital number, since it uses as much as digits as its factorization.

315453031132361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 41.

Adding to 315453031132361 its reverse (163231130354513), we get a palindrome (478684161486874).

The spelling of 315453031132361 in words is "three hundred fifteen trillion, four hundred fifty-three billion, thirty-one million, one hundred thirty-two thousand, three hundred sixty-one".