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31424443134 = 2372313447931
BaseRepresentation
bin11101010001000010…
…101111001011111110
310000010000122010000020
4131101002233023332
51003324124140014
622234114513010
72161504234200
oct352102571376
9100100563006
1031424443134
1112366308267
12610bb95766
132c6a521466
1417416c0770
15c3dbeb1a9
hex7510af2fe

31424443134 has 48 divisors (see below), whose sum is σ = 75468335616. Its totient is φ = 8688783600.

The previous prime is 31424443109. The next prime is 31424443177. The reversal of 31424443134 is 43134442413.

It is a junction number, because it is equal to n+sod(n) for n = 31424443095 and 31424443104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1714852 + ... + 1733079.

It is an arithmetic number, because the mean of its divisors is an integer number (1572256992).

Almost surely, 231424443134 is an apocalyptic number.

31424443134 is an abundant number, since it is smaller than the sum of its proper divisors (44043892482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31424443134 is a wasteful number, since it uses less digits than its factorization.

31424443134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447981 (or 3447974 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

Adding to 31424443134 its reverse (43134442413), we get a palindrome (74558885547).

The spelling of 31424443134 in words is "thirty-one billion, four hundred twenty-four million, four hundred forty-three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 31 42 49 62 93 98 147 186 217 294 434 651 1302 1519 3038 4557 9114 3447931 6895862 10343793 20687586 24135517 48271034 72406551 106885861 144813102 168948619 213771722 320657583 337897238 506845857 641315166 748201027 1013691714 1496402054 2244603081 4489206162 5237407189 10474814378 15712221567 31424443134