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3201031055 = 5640206211
BaseRepresentation
bin1011111011001011…
…1101101110001111
322021002022020002202
42332302331232033
523023430443210
61245345112115
7142216213025
oct27662755617
98232266082
103201031055
1113a2998012
1275402863b
133c023cc21
142251b6715
1513b0539a5
hexbecbdb8f

3201031055 has 4 divisors (see below), whose sum is σ = 3841237272. Its totient is φ = 2560824840.

The previous prime is 3201031051. The next prime is 3201031079. The reversal of 3201031055 is 5501301023.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3201031055 - 22 = 3201031051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201031051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320103101 + ... + 320103110.

It is an arithmetic number, because the mean of its divisors is an integer number (960309318).

Almost surely, 23201031055 is an apocalyptic number.

3201031055 is a deficient number, since it is larger than the sum of its proper divisors (640206217).

3201031055 is an equidigital number, since it uses as much as digits as its factorization.

3201031055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640206216.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 3201031055 is about 56577.6550857315. The cubic root of 3201031055 is about 1473.7708507566.

Adding to 3201031055 its reverse (5501301023), we get a palindrome (8702332078).

The spelling of 3201031055 in words is "three billion, two hundred one million, thirty-one thousand, fifty-five".

Divisors: 1 5 640206211 3201031055