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101033381 is a prime number
BaseRepresentation
bin1100000010110…
…10010110100101
321001010000202002
412001122112211
5201331032011
614005255045
72334524651
oct601322645
9231100662
10101033381
1152037969
1229a04485
1317c15c87
14d5bda61
158d0ac3b
hex605a5a5

101033381 has 2 divisors, whose sum is σ = 101033382. Its totient is φ = 101033380.

The previous prime is 101033353. The next prime is 101033417. The reversal of 101033381 is 183330101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76282756 + 24750625 = 8734^2 + 4975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101033381 is a prime.

It is a super-2 number, since 2×1010333812 = 20415488152582322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101033981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50516690 + 50516691.

It is an arithmetic number, because the mean of its divisors is an integer number (50516691).

Almost surely, 2101033381 is an apocalyptic number.

It is an amenable number.

101033381 is a deficient number, since it is larger than the sum of its proper divisors (1).

101033381 is an equidigital number, since it uses as much as digits as its factorization.

101033381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 101033381 is about 10051.5362507430. The cubic root of 101033381 is about 465.7522506191.

Adding to 101033381 its reverse (183330101), we get a palindrome (284363482).

The spelling of 101033381 in words is "one hundred one million, thirty-three thousand, three hundred eighty-one".