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111331230132 = 22319701696569
BaseRepresentation
bin110011110101111011…
…0111100000110110100
3101122100212100110210210
41213223312330012310
53311001243331012
6123051142345420
711020614561603
oct1475366740664
9348325313723
10111331230132
1143240639001
12196b072b270
13a66324aa45
145561d13a3a
152d68e0623c
hex19ebdbc1b4

111331230132 has 48 divisors (see below), whose sum is σ = 273835598400. Its totient is φ = 35107027200.

The previous prime is 111331230121. The next prime is 111331230139. The reversal of 111331230132 is 231032133111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111331230099 and 111331230108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111331230139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188457 + ... + 508112.

It is an arithmetic number, because the mean of its divisors is an integer number (5704908300).

Almost surely, 2111331230132 is an apocalyptic number.

111331230132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111331230132 is an abundant number, since it is smaller than the sum of its proper divisors (162504368268).

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

111331230132 is a wasteful number, since it uses less digits than its factorization.

111331230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697296 (or 697294 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111331230132 its reverse (231032133111), we get a palindrome (342363363243).

The spelling of 111331230132 in words is "one hundred eleven billion, three hundred thirty-one million, two hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 701 1402 2103 2804 4206 8412 13319 26638 39957 53276 79914 159828 696569 1393138 2089707 2786276 4179414 8358828 13234811 26469622 39704433 52939244 79408866 158817732 488294869 976589738 1464884607 1953179476 2929769214 5859538428 9277602511 18555205022 27832807533 37110410044 55665615066 111331230132