315451630541 has 2 divisors, whose sum is σ = 315451630542. Its totient is φ = 315451630540.

The previous prime is 315451630531. The next prime is 315451630561. The reversal of 315451630541 is 145036154513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246403032100 + 69048598441 = 496390^2 + 262771^2 .

It is a cyclic number.

It is not a de Polignac number, because 315451630541 - 2²⁶ = 315384521677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315451630495 and 315451630504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315451630531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157725815270 + 157725815271.

It is an arithmetic number, because the mean of its divisors is an integer number (157725815271).

Almost surely, 2^315451630541 is an apocalyptic number.

It is an amenable number.

315451630541 is a deficient number, since it is larger than the sum of its proper divisors (1).

315451630541 is an equidigital number, since it uses as much as digits as its factorization.

315451630541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 315451630541 in words is "three hundred fifteen billion, four hundred fifty-one million, six hundred thirty thousand, five hundred forty-one".