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31340114420 = 2255983319993
BaseRepresentation
bin11101001100000001…
…000011000111110100
32222220010221202202112
4131030001003013310
51003141032130140
622221503230152
72156431401656
oct351401030764
988803852675
1031340114420
111232274a90a
1260a78a8358
132c55c06a04
14173440c6d6
15c365dec65
hex74c0431f4

31340114420 has 48 divisors (see below), whose sum is σ = 67736329920. Its totient is φ = 12175055616.

The previous prime is 31340114419. The next prime is 31340114437. The reversal of 31340114420 is 2441104313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62057 + ... + 257936.

It is an arithmetic number, because the mean of its divisors is an integer number (1411173540).

Almost surely, 231340114420 is an apocalyptic number.

It is an amenable number.

31340114420 is an abundant number, since it is smaller than the sum of its proper divisors (36396215500).

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

31340114420 is a wasteful number, since it uses less digits than its factorization.

31340114420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320144 (or 320142 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31340114420 its reverse (2441104313), we get a palindrome (33781218733).

The spelling of 31340114420 in words is "thirty-one billion, three hundred forty million, one hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 59 83 118 166 236 295 332 415 590 830 1180 1660 4897 9794 19588 24485 48970 97940 319993 639986 1279972 1599965 3199930 6399860 18879587 26559419 37759174 53118838 75518348 94397935 106237676 132797095 188795870 265594190 377591740 531188380 1567005721 3134011442 6268022884 7835028605 15670057210 31340114420