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31434041099 = 61351279023
BaseRepresentation
bin11101010001100111…
…010110011100001011
310000010200200201221102
4131101213112130023
51003334103303344
622235100332015
72161651640456
oct352147263413
9100120621842
1031434041099
111237077336a
12611324400b
132c6c502026
141742a9c49d
15c3e994e4e
hex7519d670b

31434041099 has 4 divisors (see below), whose sum is σ = 31485320736. Its totient is φ = 31382761464.

The previous prime is 31434041059. The next prime is 31434041129. The reversal of 31434041099 is 99014043413.

It is a happy number.

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 31434041099 - 220 = 31432992523 is a prime.

It is a super-2 number, since 2×314340410992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31434041039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25638899 + ... + 25640124.

It is an arithmetic number, because the mean of its divisors is an integer number (7871330184).

Almost surely, 231434041099 is an apocalyptic number.

31434041099 is a deficient number, since it is larger than the sum of its proper divisors (51279637).

31434041099 is an equidigital number, since it uses as much as digits as its factorization.

31434041099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51279636.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 31434041099 in words is "thirty-one billion, four hundred thirty-four million, forty-one thousand, ninety-nine".

Divisors: 1 613 51279023 31434041099