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10101102031 = 193117149579
BaseRepresentation
bin10010110100001001…
…01001010111001111
3222001222000011001001
421122010221113033
5131141340231111
64350153401131
7505212644026
oct113204512717
928058004031
1010101102031
114313899509
121b5aa091a7
13c4c928767
146bb75d8bd
153e1bce1c1
hex25a1295cf

10101102031 has 8 divisors (see below), whose sum is σ = 10975731200. Its totient is φ = 9260772120.

The previous prime is 10101102023. The next prime is 10101102059. The reversal of 10101102031 is 13020110101.

10101102031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10101102031 - 23 = 10101102023 is a prime.

It is a super-2 number, since 2×101011020312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101101999 and 10101102017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101102071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8574201 + ... + 8575378.

It is an arithmetic number, because the mean of its divisors is an integer number (1371966400).

Almost surely, 210101102031 is an apocalyptic number.

10101102031 is a deficient number, since it is larger than the sum of its proper divisors (874629169).

10101102031 is a wasteful number, since it uses less digits than its factorization.

10101102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17149629.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10101102031 its reverse (13020110101), we get a palindrome (23121212132).

The spelling of 10101102031 in words is "ten billion, one hundred one million, one hundred two thousand, thirty-one".

Divisors: 1 19 31 589 17149579 325842001 531636949 10101102031