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101101201031 = 97228138239
BaseRepresentation
bin101111000101000011…
…0011110011010000111
3100122221220202011002002
41132022012132122013
53124023401413111
6114240101335515
710206245013065
oct1361206363207
9318856664062
10101101201031
1139970aa07a6
121771670759b
1396c29c0c9c
144c713d3035
15296ac5b63b
hex178a19e687

101101201031 has 12 divisors (see below), whose sum is σ = 102520445760. Its totient is φ = 99700231680.

The previous prime is 101101201013. The next prime is 101101201049. The reversal of 101101201031 is 130102101101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101101201013) and next prime (101101201049).

It is not a de Polignac number, because 101101201031 - 222 = 101097006727 is a prime.

It is a super-2 number, since 2×1011012010312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101201631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2624810 + ... + 2663048.

It is an arithmetic number, because the mean of its divisors is an integer number (8543370480).

Almost surely, 2101101201031 is an apocalyptic number.

101101201031 is a deficient number, since it is larger than the sum of its proper divisors (1419244729).

101101201031 is an frugal number, since it uses more digits than its factorization.

101101201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38714 (or 38617 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 101101201031 its reverse (130102101101), we get a palindrome (231203302132).

The spelling of 101101201031 in words is "one hundred one billion, one hundred one million, two hundred one thousand, thirty-one".

Divisors: 1 97 281 9409 27257 38239 2643929 3709183 10745159 359790751 1042280423 101101201031