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101030331 = 3103557587
BaseRepresentation
bin1100000010110…
…01100110111011
321001002212120010
412001121212323
5201330432311
614005233003
72334513033
oct601314673
9231085503
10101030331
1152035646
1229a02763
1317c1477c
14d5bc8c3
158d09da6
hex60599bb

101030331 has 16 divisors (see below), whose sum is σ = 136491264. Its totient is φ = 66466464.

The previous prime is 101030311. The next prime is 101030341. The reversal of 101030331 is 133030101.

It is not a de Polignac number, because 101030331 - 25 = 101030299 is a prime.

It is a super-2 number, since 2×1010303312 = 20414255563939122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101030311) 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, 171820 + ... + 172406.

It is an arithmetic number, because the mean of its divisors is an integer number (8530704).

Almost surely, 2101030331 is an apocalyptic number.

101030331 is a deficient number, since it is larger than the sum of its proper divisors (35460933).

101030331 is a wasteful number, since it uses less digits than its factorization.

101030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 101030331 is about 10051.3845314961. The cubic root of 101030331 is about 465.7475638557.

Adding to 101030331 its reverse (133030101), we get a palindrome (234060432).

The spelling of 101030331 in words is "one hundred one million, thirty thousand, three hundred thirty-one".

Divisors: 1 3 103 309 557 587 1671 1761 57371 60461 172113 181383 326959 980877 33676777 101030331