105031224520 has 32 divisors (see below), whose sum is σ = 239167494720. Its totient is φ = 41506313920.

The previous prime is 105031224497. The next prime is 105031224541. The reversal of 105031224520 is 25422130501.

It is a super-4 number, since 4×105031224520⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 15814636 + ... + 15821275.

It is an arithmetic number, because the mean of its divisors is an integer number (7473984210).

Almost surely, 2^105031224520 is an apocalyptic number.

105031224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105031224520 is an abundant number, since it is smaller than the sum of its proper divisors (134136270200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105031224520 is a wasteful number, since it uses less digits than its factorization.

105031224520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31636005 (or 31636001 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 105031224520 in words is "one hundred five billion, thirty-one million, two hundred twenty-four thousand, five hundred twenty".