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108860431 is a prime number
BaseRepresentation
bin1100111110100…
…01010000001111
321120211200102211
412133101100033
5210332013211
614445131251
72461204231
oct637212017
9246750384
10108860431
11564a34a9
1230559b27
1319726774
141065a251
159854e21
hex67d140f

108860431 has 2 divisors, whose sum is σ = 108860432. Its totient is φ = 108860430.

The previous prime is 108860407. The next prime is 108860467. The reversal of 108860431 is 134068801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108860431 - 25 = 108860399 is a prime.

It is a super-2 number, since 2×1088604312 = 23701186875011522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108860393 and 108860402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108866431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54430215 + 54430216.

It is an arithmetic number, because the mean of its divisors is an integer number (54430216).

Almost surely, 2108860431 is an apocalyptic number.

108860431 is a deficient number, since it is larger than the sum of its proper divisors (1).

108860431 is an equidigital number, since it uses as much as digits as its factorization.

108860431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 108860431 is about 10433.6202250226. The cubic root of 108860431 is about 477.4816469102.

The spelling of 108860431 in words is "one hundred eight million, eight hundred sixty thousand, four hundred thirty-one".