10218315532 has 24 divisors (see below), whose sum is σ = 18671582160. Its totient is φ = 4886871360.

The previous prime is 10218315491. The next prime is 10218315553. The reversal of 10218315532 is 23551381201.

It is a junction number, because it is equal to n+sod(n) for n = 10218315494 and 10218315503.

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, 399219 + ... + 424042.

It is an arithmetic number, because the mean of its divisors is an integer number (777982590).

Almost surely, 2^10218315532 is an apocalyptic number.

It is an amenable number.

10218315532 is a deficient number, since it is larger than the sum of its proper divisors (8453266628).

10218315532 is a wasteful number, since it uses less digits than its factorization.

10218315532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823401 (or 823399 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 10218315532 its reverse (23551381201), we get a palindrome (33769696733).

The spelling of 10218315532 in words is "ten billion, two hundred eighteen million, three hundred fifteen thousand, five hundred thirty-two".