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11231031102 = 231871838517
BaseRepresentation
bin10100111010110101…
…11110111100111110
31001222201011111022220
422131122332330332
5141000120443402
65054235550210
7545213121624
oct123532767476
931881144286
1011231031102
114843695995
1222152bb366
13109ca58045
1478784d514
1545aec7dbc
hex29d6bef3e

11231031102 has 8 divisors (see below), whose sum is σ = 22462062216. Its totient is φ = 3743677032.

The previous prime is 11231031089. The next prime is 11231031121. The reversal of 11231031102 is 20113013211.

It is a happy number.

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

11231031102 is an admirable number.

It is a super-2 number, since 2×112310311022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935919253 + ... + 935919264.

It is an arithmetic number, because the mean of its divisors is an integer number (2807757777).

Almost surely, 211231031102 is an apocalyptic number.

11231031102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11231031102 is a wasteful number, since it uses less digits than its factorization.

11231031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871838522.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11231031102 its reverse (20113013211), we get a palindrome (31344044313).

The spelling of 11231031102 in words is "eleven billion, two hundred thirty-one million, thirty-one thousand, one hundred two".

Divisors: 1 2 3 6 1871838517 3743677034 5615515551 11231031102