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31232112030111 = 336637284158201
BaseRepresentation
bin1110001100111110010101…
…11100010111000110011111
311002120202112120212000111010
413012133022330113012133
513043201331134430421
6150231500104030303
76402305565011256
oct706371274270637
9132522476760433
1031232112030111
119a51512026703
123604bab162393
13145723882c7b5
1479d8dc61b79d
15392643c30076
hex1c67caf1719f

31232112030111 has 8 divisors (see below), whose sum is σ = 41643952819504. Its totient is φ = 20820839630400.

The previous prime is 31232112030101. The next prime is 31232112030151. The reversal of 31232112030111 is 11103021123213.

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

It is not a de Polignac number, because 31232112030111 - 27 = 31232112029983 is a prime.

It is a super-2 number, since 2×312321120301112 (a number of 28 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 (31232112030101) 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, 141969190 + ... + 142189011.

It is an arithmetic number, because the mean of its divisors is an integer number (5205494102438).

Almost surely, 231232112030111 is an apocalyptic number.

31232112030111 is a deficient number, since it is larger than the sum of its proper divisors (10411840789393).

31232112030111 is a wasteful number, since it uses less digits than its factorization.

31232112030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284194841.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31232112030111 its reverse (11103021123213), we get a palindrome (42335133153324).

The spelling of 31232112030111 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred twelve million, thirty thousand, one hundred eleven".

Divisors: 1 3 36637 109911 284158201 852474603 10410704010037 31232112030111