315135024044 has 24 divisors (see below), whose sum is σ = 567604280880. Its totient is φ = 152980612416.

The previous prime is 315135024031. The next prime is 315135024067. The reversal of 315135024044 is 440420531513.

It is a super-2 number, since 2×315135024044² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315135024044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210639 + ... + 2348870.

It is an arithmetic number, because the mean of its divisors is an integer number (23650178370).

Almost surely, 2^315135024044 is an apocalyptic number.

It is an amenable number.

315135024044 is a deficient number, since it is larger than the sum of its proper divisors (252469256836).

315135024044 is a wasteful number, since it uses less digits than its factorization.

315135024044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560017 (or 4560015 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 315135024044 its reverse (440420531513), we get a palindrome (755555555557).

The spelling of 315135024044 in words is "three hundred fifteen billion, one hundred thirty-five million, twenty-four thousand, forty-four".