105113030 has 32 divisors (see below), whose sum is σ = 207525888. Its totient is φ = 38015200.

The previous prime is 105113003. The next prime is 105113039. The reversal of 105113030 is 30311501.

It is a super-2 number, since 2×105113030² = 22097498151561800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105112996 and 105113014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105113039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18509 + ... + 23511.

It is an arithmetic number, because the mean of its divisors is an integer number (6485184).

Almost surely, 2^105113030 is an apocalyptic number.

105113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105113030 is a deficient number, since it is larger than the sum of its proper divisors (102412858).

105113030 is a wasteful number, since it uses less digits than its factorization.

105113030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 105113030 is about 10252.4645817481. The cubic root of 105113030 is about 471.9386201664.

Adding to 105113030 its reverse (30311501), we get a palindrome (135424531).

The spelling of 105113030 in words is "one hundred five million, one hundred thirteen thousand, thirty".