315230143465 has 8 divisors (see below), whose sum is σ = 378424125000. Its totient is φ = 252085479552.

The previous prime is 315230143451. The next prime is 315230143483. The reversal of 315230143465 is 564341032513.

It can be written as a sum of positive squares in 4 ways, for example, as 79251821289 + 235978322176 = 281517^2 + 485776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315230143465 - 2³⁵ = 280870405097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12315340 + ... + 12340909.

It is an arithmetic number, because the mean of its divisors is an integer number (47303015625).

Almost surely, 2^315230143465 is an apocalyptic number.

It is an amenable number.

315230143465 is a deficient number, since it is larger than the sum of its proper divisors (63193981535).

315230143465 is a wasteful number, since it uses less digits than its factorization.

315230143465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24658811.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 315230143465 its reverse (564341032513), we get a palindrome (879571175978).

The spelling of 315230143465 in words is "three hundred fifteen billion, two hundred thirty million, one hundred forty-three thousand, four hundred sixty-five".