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101020331 = 596128069
BaseRepresentation
bin1100000010101…
…11001010101011
321001002100211202
412001113022223
5201330122311
614005114415
72334441626
oct601271253
9231070752
10101020331
1152029085
12299b8a0b
1317c10059
14d5b8dbd
158d06e3b
hex60572ab

101020331 has 8 divisors (see below), whose sum is σ = 104420400. Its totient is φ = 97676640.

The previous prime is 101020327. The next prime is 101020333. The reversal of 101020331 is 133020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101020331 - 22 = 101020327 is a prime.

It is a super-2 number, since 2×1010203312 = 20410214550699122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101020333) 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 7 ways as a sum of consecutive naturals, for example, 10436 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (13052550).

Almost surely, 2101020331 is an apocalyptic number.

101020331 is a deficient number, since it is larger than the sum of its proper divisors (3400069).

101020331 is an equidigital number, since it uses as much as digits as its factorization.

101020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28189.

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

The square root of 101020331 is about 10050.8870752785. The cubic root of 101020331 is about 465.7321967566.

Adding to 101020331 its reverse (133020101), we get a palindrome (234040432).

The spelling of 101020331 in words is "one hundred one million, twenty thousand, three hundred thirty-one".

Divisors: 1 59 61 3599 28069 1656071 1712209 101020331