105321015430 has 16 divisors (see below), whose sum is σ = 189746661744. Its totient is φ = 42090887520.

The previous prime is 105321015413. The next prime is 105321015473. The reversal of 105321015430 is 34510123501.

It is a happy number.

It is a super-4 number, since 4×105321015430⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 105321015395 and 105321015404.

It is a congruent number.

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, 4678041 + ... + 4700500.

It is an arithmetic number, because the mean of its divisors is an integer number (11859166359).

Almost surely, 2^105321015430 is an apocalyptic number.

105321015430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105321015430 is a deficient number, since it is larger than the sum of its proper divisors (84425646314).

105321015430 is a wasteful number, since it uses less digits than its factorization.

105321015430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379671.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 105321015430 its reverse (34510123501), we get a palindrome (139831138931).

The spelling of 105321015430 in words is "one hundred five billion, three hundred twenty-one million, fifteen thousand, four hundred thirty".