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31412311103 = 174118042683
BaseRepresentation
bin11101010000010100…
…011101010000111111
310000002011210201222202
4131100110131100333
51003313022423403
622233002502115
72161266144635
oct352024352077
9100064721882
1031412311103
111235a481298
126107b0493b
132c67b64344
14173dc43355
15c3cb01688
hex75051d43f

31412311103 has 4 divisors (see below), whose sum is σ = 31430355528. Its totient is φ = 31394266680.

The previous prime is 31412311093. The next prime is 31412311141. The reversal of 31412311103 is 30111321413.

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

It is a cyclic number.

It is not a de Polignac number, because 31412311103 - 212 = 31412307007 is a prime.

It is a super-3 number, since 3×314123111033 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412311163) 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, 9019601 + ... + 9023082.

It is an arithmetic number, because the mean of its divisors is an integer number (7857588882).

Almost surely, 231412311103 is an apocalyptic number.

31412311103 is a deficient number, since it is larger than the sum of its proper divisors (18044425).

31412311103 is a wasteful number, since it uses less digits than its factorization.

31412311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18044424.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31412311103 its reverse (30111321413), we get a palindrome (61523632516).

The spelling of 31412311103 in words is "thirty-one billion, four hundred twelve million, three hundred eleven thousand, one hundred three".

Divisors: 1 1741 18042683 31412311103