315220544453 has 2 divisors, whose sum is σ = 315220544454. Its totient is φ = 315220544452.

The previous prime is 315220544447. The next prime is 315220544459. The reversal of 315220544453 is 354445022513.

It is a balanced prime because it is at equal distance from previous prime (315220544447) and next prime (315220544459).

It can be written as a sum of positive squares in only one way, i.e., 189484348804 + 125736195649 = 435298^2 + 354593^2 .

It is a cyclic number.

It is not a de Polignac number, because 315220544453 - 2¹⁴ = 315220528069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315220544459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157610272226 + 157610272227.

It is an arithmetic number, because the mean of its divisors is an integer number (157610272227).

Almost surely, 2^315220544453 is an apocalyptic number.

It is an amenable number.

315220544453 is a deficient number, since it is larger than the sum of its proper divisors (1).

315220544453 is an equidigital number, since it uses as much as digits as its factorization.

315220544453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 315220544453 its reverse (354445022513), we get a palindrome (669665566966).

The spelling of 315220544453 in words is "three hundred fifteen billion, two hundred twenty million, five hundred forty-four thousand, four hundred fifty-three".