101312530 has 32 divisors (see below), whose sum is σ = 199412928. Its totient is φ = 36753600.

The previous prime is 101312507. The next prime is 101312543. The reversal of 101312530 is 35213101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62004 + ... + 63616.

It is an arithmetic number, because the mean of its divisors is an integer number (6231654).

Almost surely, 2^101312530 is an apocalyptic number.

101312530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101312530 is a deficient number, since it is larger than the sum of its proper divisors (98100398).

101312530 is a wasteful number, since it uses less digits than its factorization.

101312530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 101312530 is about 10065.4125598507. The cubic root of 101312530 is about 466.1808044188.

Adding to 101312530 its reverse (35213101), we get a palindrome (136525631).

The spelling of 101312530 in words is "one hundred one million, three hundred twelve thousand, five hundred thirty".