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231112520204235 = 3515556399904291
BaseRepresentation
bin110100100011001000010011…
…101010110111111111001011
31010022022010210220100212012020
4310203020103222313333023
5220243021420133013420
62135311343121415523
766452220461511525
oct6443102352677713
91108263726325166
10231112520204235
11677042a662311a
1221b071a349a5a3
139bc5a81348367
14410dc971caa15
151babb78a94340
hexd23213ab7fcb

231112520204235 has 16 divisors (see below), whose sum is σ = 369780307365120. Its totient is φ = 123259919096160.

The previous prime is 231112520204219. The next prime is 231112520204257. The reversal of 231112520204235 is 532402025211132.

It is not a de Polignac number, because 231112520204235 - 24 = 231112520204219 is a prime.

It is a super-2 number, since 2×2311125202042352 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231112520204196 and 231112520204205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18382440 + ... + 28286730.

It is an arithmetic number, because the mean of its divisors is an integer number (23111269210320).

Almost surely, 2231112520204235 is an apocalyptic number.

231112520204235 is a deficient number, since it is larger than the sum of its proper divisors (138667787160885).

231112520204235 is a wasteful number, since it uses less digits than its factorization.

231112520204235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11459938.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 231112520204235 its reverse (532402025211132), we get a palindrome (763514545415367).

The spelling of 231112520204235 in words is "two hundred thirty-one trillion, one hundred twelve billion, five hundred twenty million, two hundred four thousand, two hundred thirty-five".

Divisors: 1 3 5 15 1555639 4666917 7778195 9904291 23334585 29712873 49521455 148564365 15407501346949 46222504040847 77037506734745 231112520204235