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111301311331 = 771272230979
BaseRepresentation
bin110011110101000010…
…0110011101101100011
3101122021210001102221001
41213222010303231203
53310421113430311
6123044153212431
711020102352020
oct1475204635543
9348253042831
10111301311331
1143225763621
12196a2701117
13a659ca3a02
14555bd66547
152d664964c1
hex19ea133b63

111301311331 has 8 divisors (see below), whose sum is σ = 127219403520. Its totient is φ = 95387695368.

The previous prime is 111301311299. The next prime is 111301311343. The reversal of 111301311331 is 133113103111.

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

It is not a de Polignac number, because 111301311331 - 25 = 111301311299 is a prime.

It is a super-2 number, since 2×1113013113312 (a number of 23 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 = 111301311299 and 111301311308.

It is not an unprimeable number, because it can be changed into a prime (111301311431) 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, 1065601 + ... + 1165378.

It is an arithmetic number, because the mean of its divisors is an integer number (15902425440).

Almost surely, 2111301311331 is an apocalyptic number.

111301311331 is a deficient number, since it is larger than the sum of its proper divisors (15918092189).

111301311331 is an equidigital number, since it uses as much as digits as its factorization.

111301311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238113.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 111301311331 its reverse (133113103111), we get a palindrome (244414414442).

The spelling of 111301311331 in words is "one hundred eleven billion, three hundred one million, three hundred eleven thousand, three hundred thirty-one".

Divisors: 1 7 7127 49889 2230979 15616853 15900187333 111301311331