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31454204111 = 1167101342131
BaseRepresentation
bin11101010010110100…
…010001000011001111
310000012002122010101122
4131102310101003033
51003404234012421
622241100431155
72162315215661
oct352264210317
9100162563348
1031454204111
1112381095110
126119b484bb
132c737416c5
14174562a531
15c416292ab
hex752d110cf

31454204111 has 16 divisors (see below), whose sum is σ = 34861027968. Its totient is φ = 28139469600.

The previous prime is 31454204107. The next prime is 31454204129. The reversal of 31454204111 is 11140245413.

It is not a de Polignac number, because 31454204111 - 22 = 31454204107 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 (31454204161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725516 + ... + 767646.

It is an arithmetic number, because the mean of its divisors is an integer number (2178814248).

Almost surely, 231454204111 is an apocalyptic number.

31454204111 is a deficient number, since it is larger than the sum of its proper divisors (3406823857).

31454204111 is a wasteful number, since it uses less digits than its factorization.

31454204111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43222.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 31454204111 its reverse (11140245413), we get a palindrome (42594449524).

The spelling of 31454204111 in words is "thirty-one billion, four hundred fifty-four million, two hundred four thousand, one hundred eleven".

Divisors: 1 11 67 737 1013 11143 42131 67871 463441 746581 2822777 31050547 42678703 469465733 2859473101 31454204111