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4345100031 = 31448366677
BaseRepresentation
bin1000000101111110…
…01111011011111111
3102012211001221200210
410002333033123333
532344321200111
61555054323503
7212450512056
oct40277173377
912184057623
104345100031
11192a771a68
12a131b9593
1354328050c
142d310739d
151a66e20a6
hex102fcf6ff

4345100031 has 4 divisors (see below), whose sum is σ = 5793466712. Its totient is φ = 2896733352.

The previous prime is 4345099939. The next prime is 4345100041. The reversal of 4345100031 is 1300015434.

4345100031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-4345100031 is a prime.

It is a super-2 number, since 2×43451000312 = 37759788558792401922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4345099980 and 4345100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345100041) 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, 724183336 + ... + 724183341.

It is an arithmetic number, because the mean of its divisors is an integer number (1448366678).

Almost surely, 24345100031 is an apocalyptic number.

4345100031 is a deficient number, since it is larger than the sum of its proper divisors (1448366681).

4345100031 is a wasteful number, since it uses less digits than its factorization.

4345100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448366680.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4345100031 is about 65917.3727555946. The cubic root of 4345100031 is about 1631.7987383520.

Adding to 4345100031 its reverse (1300015434), we get a palindrome (5645115465).

The spelling of 4345100031 in words is "four billion, three hundred forty-five million, one hundred thousand, thirty-one".

Divisors: 1 3 1448366677 4345100031