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31434111219 = 374731848137
BaseRepresentation
bin11101010001100111…
…100111100011110011
310000010200211022010110
4131101213213203303
51003334113024334
622235102032403
72161652352060
oct352147474363
9100120738113
1031434111219
1112370811015
126113278703
132c6c527c14
141742ab9c67
15c3e9aaae9
hex7519e78f3

31434111219 has 16 divisors (see below), whose sum is σ = 48918739968. Its totient is φ = 17580171072.

The previous prime is 31434111217. The next prime is 31434111227. The reversal of 31434111219 is 91211143413.

It is not a de Polignac number, because 31434111219 - 21 = 31434111217 is a prime.

It is a super-2 number, since 2×314341112192 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31434111211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15923082 + ... + 15925055.

It is an arithmetic number, because the mean of its divisors is an integer number (3057421248).

Almost surely, 231434111219 is an apocalyptic number.

31434111219 is a deficient number, since it is larger than the sum of its proper divisors (17484628749).

31434111219 is a wasteful number, since it uses less digits than its factorization.

31434111219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31848194.

The product of its digits is 2592, while the sum is 30.

The spelling of 31434111219 in words is "thirty-one billion, four hundred thirty-four million, one hundred eleven thousand, two hundred nineteen".

Divisors: 1 3 7 21 47 141 329 987 31848137 95544411 222936959 668810877 1496862439 4490587317 10478037073 31434111219