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10111132211231 = 312041115979891
BaseRepresentation
bin1001001100100010111001…
…1100011001100000011111
31022210121121012002112000202
42103020232130121200133
52311130044321224411
633300553502014115
72062335165506162
oct223105634314037
938717535075022
1010111132211231
11324911a59a197
12117373187733b
135846250a36ac
1426d54a837ad9
1512803163583b
hex9322e71981f

10111132211231 has 8 divisors (see below), whose sum is σ = 10437809776128. Its totient is φ = 9784486647000.

The previous prime is 10111132211207. The next prime is 10111132211261. The reversal of 10111132211231 is 13211223111101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10111132211231 is a prime.

It is a super-2 number, since 2×101111322112312 (a number of 27 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 (10111132211261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7357205 + ... + 8622686.

It is an arithmetic number, because the mean of its divisors is an integer number (1304726222016).

Almost surely, 210111132211231 is an apocalyptic number.

10111132211231 is a deficient number, since it is larger than the sum of its proper divisors (326677564897).

10111132211231 is a wasteful number, since it uses less digits than its factorization.

10111132211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000333.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 10111132211231 its reverse (13211223111101), we get a palindrome (23322355322332).

The spelling of 10111132211231 in words is "ten trillion, one hundred eleven billion, one hundred thirty-two million, two hundred eleven thousand, two hundred thirty-one".

Divisors: 1 31 20411 632741 15979891 495376621 326165555201 10111132211231