315102005461 has 2 divisors, whose sum is σ = 315102005462. Its totient is φ = 315102005460.

The previous prime is 315102005443. The next prime is 315102005489. The reversal of 315102005461 is 164500201513.

It is an a-pointer prime, because the next prime (315102005489) can be obtained adding 315102005461 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315050954436 + 51051025 = 561294^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 315102005461 - 2⁷ = 315102005333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315102005401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157551002730 + 157551002731.

It is an arithmetic number, because the mean of its divisors is an integer number (157551002731).

Almost surely, 2^315102005461 is an apocalyptic number.

It is an amenable number.

315102005461 is a deficient number, since it is larger than the sum of its proper divisors (1).

315102005461 is an equidigital number, since it uses as much as digits as its factorization.

315102005461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 315102005461 its reverse (164500201513), we get a palindrome (479602206974).

The spelling of 315102005461 in words is "three hundred fifteen billion, one hundred two million, five thousand, four hundred sixty-one".