101312030 has 32 divisors (see below), whose sum is σ = 190937088. Its totient is φ = 38656800.

The previous prime is 101312023. The next prime is 101312039. The reversal of 101312030 is 30213101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101312039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19709 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (5966784).

Almost surely, 2^101312030 is an apocalyptic number.

101312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101312030 is a deficient number, since it is larger than the sum of its proper divisors (89625058).

101312030 is a wasteful number, since it uses less digits than its factorization.

101312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 101312030 is about 10065.3877222887. The cubic root of 101312030 is about 466.1800375154.

Adding to 101312030 its reverse (30213101), we get a palindrome (131525131).

The spelling of 101312030 in words is "one hundred one million, three hundred twelve thousand, thirty".